Sawada Tsunayoshi was murdered in his bathroom.
It was a man named Tsukiyamahara. Later he learned that this man's love for him turned into hatred. During the subsequent investigation, he discovered that this was the legendary... Beautiful boy in black.
The beautiful boy in black cursed everyone's love, and also cursed his own love.
Because of his curse, during the investigation process, nine out of ten people Sawada Tsunayoshi came into contact with turned black, causing their lives to fall into various tragedies and death spirals.
It seems... He will only bring misfortune to others.
Later, Sawada Tsunayoshi learned that all this was actually related to him...
[On the dark epitaph, your and my names are engraved.
PS. The beautiful boy in black is a character in Ito Junji's manga "Undying Love". He actually has no real name and this is a forgery.
Conception: