Fan girl's manga / #Adorable(101)

Seme engaged to uke's sister

Reine adopts an adorable vampire kid to fill the loneliness left by the passing of his previous lover. Kids however grow up so fast.

Eichi is a university student who likes to hang around flashy people. He gets irritated by the fact that Jinno is always silently staring at him without saying anything every time they went to a drinking party. Eichi successfully got Jinno drunk to the point of getting sick one night however, he was unexpectedly appointed to look after him.