Lovely Baby

My name is Kohi Nataan. My parents are working overseas and left me to live with my grandma. However, she was suddenly hospitalized leaving me as the manager of the lodging house! Furthermore, there are three cool guys lodging! Ba-dump. Ba-dump. But, one of the three guys, Ryuu-kun, seems to be hated for some reason... What for~?! (Source: Manga Abyss)