恋い焦れ歌え～R.I.P.～ (Koi Kogare Utae)

Plot

I don't know if I'm the prey or the stalker. A lonely rapper "KAI" who reigns with overwhelming strength while selling his body. One day, after hearing that a teacher, Hitoshi Kiriya, was in a terrible incident, he begins to show unusual attachment. He takes Hitoshi to the Shelter and mercilessly leaves ruining his wounded self-esteem by rapping. And suddenly he kisses him... Why is he after Hitoshi? What is the irritating feeling hiding in your chest?