Responses
In the summary it says that reflections in the water was adapted into a movie Itsuka no Kimi e.
Sick people don't usually regret their actions. The sick one, therefore, is the yakuza. Like I said, below.
"Secrets and Lies" Yuu-suke is sure one sick character.
"Reflections in the water" is just the like the Japanese BL "Itsuka no Kimi e"