Lolig's manga / #older seme younger uke(2)

Chapter 4 is irrelevant and not connected at all and it unfinished On his trip to New York City, college student Takeru gets lost in the wrong part of town. He gets attacked, but is rescued by a man named Rei. Touched by Rei's kindness, Takeru can't help being attracted to him. But then Takeru discovers that Rei is the second-highest-ranking mafia man in New York City. Can love overcome such odds?

Cute manga with 3 stories 1) the main story that has the description 2) teacher x student who becomes an actor 3) homeless guy who reminds seme of his dog Nice change of dynamics