Its a diving story The manga is far ahead already so you can look forward waking up in the ICU with diagnose of suffocation from laughing too much
drunk and naked, and drunk again, with fan services Spoiler: scene 1 {} {} {} {} {} {} Spoiler: scene 2 {} {} {} {} {} {} click the spoiler when you're ready Spoiler {} . . . . {} {} fret not, it does have hot chicks too Spoiler: slightly nsfw {} {}
It is fun. Besides what the other people stated, it has a legit information about diving, though it only takes 20% of the story, also it has philosophical moments.