I am sorry

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(Translated and arranged by Saya)

I heard this story of a scuba diving accident from a professional scuba diver.  

The place where it happened is too famous so I won't mention its name. 
But it is a spot that often appears in scuba diving magazines and it is also one of the most popular places among foreign tourists. 

The story concerns a local instructor who was coaching two clients. 

They went to a cave-like place, where the water tended to be dark even in the daytime. 

For safety reasons, the clients were asked never to leave the instructor's side while in there. 

But after sometime, the instructor noticed that one of the clients was missing. 
The instructor told the other client that he was going to search for the missing client, and that the client should stay afloat and wait for his return. 

However, the instructor was gone for a long time, and this client at last grew tired of waiting, and he left the cave and returned to the shore on his own. 

He had a thought that the instructor and the other client might have already returned to the shore before him. 
But when he asked about them at the diving shop, he was told that they hadn't come back yet. 

This caused much commotion, and a search for the missing two people began at once.  
Eventually they were found, but they were both already dead. 

I don't remember if they were found in the cave, but I heard that the client's residual pressure had dropped to zero. 

The instructor, on the other hand, had somehow died holding a blackboard in his hand. 
On the blackboard it as written:  

"I am sorry."


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  1. Saya_In_Underworld18 June 2021 at 14:25

    Can everyone hear Saya's desperate cry for comments?πŸ˜†πŸ’–✨

    I hope you are happy and well! Enjoy your weekend!🌈⭐πŸ’Ž✨

    1. Saya_In_Underworld18 June 2021 at 19:08

      When I first read it, I didn't think it was scary, but somehow it stayed in my mind for a long time. πŸ˜†✨

      Maybe this isn't popular with everyone but I like it⭐✨

  2. What a chilling story😨 where did the blackboard message come from?

    1. Saya_In_Underworld18 June 2021 at 15:01

      "What a chilling story"

      Thank you! That's what I wanted to hear πŸ€£πŸ’Ž✨⭐

      When I go for hours without getting comments, I start feeling so lonely!πŸ˜†✨

      Thank you for saving my day! LOL 🌸✨

  3. Underwater blackboard and chalk? Cool! Jokes aside, I wonder how the instructor died. No autopsies for the instructor? 'twas never revealed how he died nor where exactly he died. This might be cryptic, but then again, the narrator has only a secondhand information.

    Assuming there's no fancy blackboard and chalk, the instructor might have died of exhaustion (by swimming to the surface) and spent his last minutes writing few letters... who the hell supplied him the board and the chalk? If the instructor died like the late client, the instructor would not be able to write his final thoughts (unless some water yokai has a fancy school supplies shop underwater).

    The instructor is a professional, and probably like a samurai meditating about death being few paces away everyday. One can infer the instructor is always prepared and well-equipped; one can suspect a violent outside element that took his life... beyond a human power. Again, nothing good comes out of an underwater cave. A simple Google Search shall yield horror stories aplenty.

    Nonetheless, the instructor's sincerity and love has been written on the board. He did his best to rescue a fellow, yet he's only a human. Suppose this story is true, may they rest in peace.

    [This story is good for thalassophobes and thalassophiles alike.]

    1. Saya_In_Underworld18 June 2021 at 17:43

      Wow you have a lot of thoughts on this story! πŸ˜†⭐

      Perhaps he was so well equipped that he even had a blackboard with him to write his last will on!πŸ˜†πŸŽ΅✨

    2. Perhaps. Par excellence πŸ˜‚

    3. Maybe he found the blackboard with the message already written in it.

    4. Saya_In_Underworld19 June 2021 at 20:23

      You may be right πŸ˜†⭐

  4. I think the instructor tried to kill the surviving client (conspiracy with the dead client?)
    The instructor clearly said to never leave their side but left the Client A in the cave and went "searching" for the missing client B, leaving client A in the cave until they ran out of oxygen BUT somehow client A survived to the surface while the instructor and client B got lost and ran out of oxygen instead
    The instructor then regret what they were doing and writes "I'm sorry" as their final message

    1. Saya_In_Underworld18 June 2021 at 21:26

      Nice theory πŸ˜†πŸ‘✨

      I prefer to think that they were killed by some unknown force though lol ✨

      But thank you for your interesting comment!πŸ’˜✨

  5. Hmm, It is the mystery how the instructor died. Perhaps the clients were a couple and the instructor wanted the one that had not gotten lost. So was waiting for the lost person's air to run out, and then when it did wrote sorry, and was planning on leaving but mysteriously died.

    1. Saya_In_Underworld18 June 2021 at 21:44

      That's scaryπŸ˜†⭐ What a crazy instructor he would have been!

      What I imagined was that the client and instructor got into a trouble with some unknown entity or ghost in the cave!

      Thank you for sharing your theoey with us!🌈🎡✨

  6. This comment has been removed by the author.

    1. Saya_In_Underworld19 June 2021 at 13:50

      The point of the story is why he had a blackboard because it appeared out of nowhere, and why he was apologizing πŸ˜†✨

      Thank you for your comment!πŸ’Ž✨

  7. Thanks, I am sure that this will not affect my thalassophobia at all. :p

    1. Saya_In_Underworld19 June 2021 at 20:22

      No? Then I should try harder the next timeπŸ˜†✨

  8. Thank you for this horror story involving water. It's so refreshing! I recall there's a universal horror story happening in body of water that usually revolves around someone is 'pulling' your leg and trying to drown you, even though there is no one else in the water. When you come to the surface, then you realize there is a bruise looking like a hand on your leg.

    I dove 2-3 times and I stopped after watching the movie Sanctum. The deep ocean is indeed a scary place lol.
    I think the 'blackboard' doesn't appear out of nowhere, because for an instructor it is quite common to bring underwater writing material that looks like a white slate and a pencil. Because if he doesn't bring one, how can he tell the client to wait while he searches for the other? The weird part is surely why he writes "I'm sorry".

    1. Saya_In_Underworld22 June 2021 at 08:52

      I hope I can publish more stories involving water then!

      Thank you so much for your comment!πŸ˜†✨

  9. THANK YOU SO MUCH SAYA FOR ALL THE GREAT STORIES YOU'VE PUT OUT OVER THE YEARS! I have been on your blog since early 2014 or 13 and this is my first time commenting (sorry it took so long 😫). I've always enjoyed you're blog and the unique horror stories you've translated. They used to spook me so much as a young teen and now they still spook me as a young adult XD. Just wanted to say thank you so much for your hard work. πŸ˜„

    Also as someone who loves to swim in any and all bodies of water, and plans to dive in the near future, this story is chilling. I love water but I'm always slightly spooked when I can't touch or see the bottom, makes me wonder "what's there?" This story definitely gives me unknown creature vibes or else the diving instructor was running out of oxygen, hallucinated something and wrote the cryptic words, could have been diving narcosis? πŸ€”

    Still very weird that the one diver just simply mysteriously dissapeared tho... especially when they all should have been close together. I'm leaning towards unknown sea creature dragging the diver down or something.

    1. Saya_In_Underworld25 June 2021 at 16:30

      Hello dear πŸ˜ŠπŸ’– I am sorry for the late reply! Thank you so much for following my blog for such a long time✨ It gives me much joy to hear from you!

      That's nice you love swimming! I am sure no unknown sea creature will ever attack a good person like you πŸ˜†⭐

  10. Hi Saya, as always its very nice to hear from you :D

    I know a real life story similar to this, except it was pure accident, if i remember correctly there was a diver who died in a natural sinkhole place (i forgot the place, either Africa or South America) - not in the sea.

    It's just unfortunate the person who went to search the missing diver a few days after also died of same cause, got trapped in a tight cave like structure while trying to bring the earlier diver corpse to the surface.

    I've also saw a NatGeo documentary about such place, complete with the remains (skeletons and a flashlight) of a diver from the 70s still laying there.

    Honestly cave diving is extremely dangerous due to how easy for sand or mud to block the divers visibility, causes them to panic, and drowns them.

    Well, I'll wait for your latest story, thanks Saya!

    1. Saya_In_Underworld25 June 2021 at 16:32

      Oh! Thank you for sharing that story! I had no idea that diving in caves could be so dangerous! 😱⭐

      Thank you so much for your kind words too! I appreciate your comment a lot! πŸ˜ŠπŸ’˜

  11. David John Shaw Dave Dreyer Bushman Hole Incident.

    1. Saya_In_Underworld8 July 2021 at 10:08

      It's the first time I heard of that incident! I myself was thinking it reminded me of Yuri LipskiπŸ˜†✨

  12. Hi Saya! Underwater diving is already scary enough, drowning is very scary!! >< I read up David Shaw incident due to another comment and it's so scary!! The blackboard thing definitely makes this feels occult-ish though, thank you for your translation!!

  13. Maybe......
    It was the surviving client that killed them both.
    It was three of them there and no one else, so the surviving client story will be most realiable source of what happened there.
    The writing on the blackboard just the trick that the surviving client do, so no one will be pointing a finger at him/her.

    Naturally when someone is running out of oxygen, they will try to search for air.... and in this case the instructor will try to swim to the surface instead of writing something on the blackboard.
    He won't be able to find the missing client if he died, right?

  14. Diving is so scary! (Also this image you used has been my computer desktop image for a few years!)

  15. bodies of water are natural places for spooky happenings, since it's a kind of "alien" environment, and its so easy for things to go wrong... add low visibility and you've got yourself a chilling tale!

    this one's pretty mysterious to me. if it was just that the other client and the instructor got into an accident, that'd be sad but not unusual. the dying message really makes it bizarre. of all messages, why an apology? what was he apologizing for? bringing the client to their death? so many possibilities... its fun to think about.

  16. "Chilling" (forgive the pun) is indeed the right word for this story.

    I am afraid of dark under water. I don't dare to go past chest height in the ocean. And I think canoeing or rowing over deep lake is scary as heck.
    So I don't think I will ever go diving.

    This story perplexed me. I can't think of any possible reasons for the blackboard. It's so bizarre. But I do like reading others' ideas.

    Great story as always, Saya-san. Thank you :D

    - nunu -

    1. I think a lot of people are afraid of deep water! That gives me motivation to translate more stories like this one. 🀣✨

      I think diving is dangerous, not because of ghosts but because of jellyfish, octopus, sharks and other such monstrous sea creatures πŸ˜†✨

      Thank you always for your interesting comments🎡✨


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