Today I Took Care Of A Bad Boy

[PARADISE SCANS]
What appeared in front of a college students, Tsumugi's, apartment was a boy, who ran away from his home. Tsumugi got intrigued by the boy who called himself Kou, who is a relative of someone who once killed his father, what will happen next, that the relative got revealed…

—I regret to death, I wish I had never offered him to stay over that day…