Resolution
(Protagonist sits on the sofa in the living room and caresses a knife while smiling dreamily, as if in a trance)
Boy: (Eerily hums the tune of 世上只有妈妈好?)
(Noises of the drunken father at the door sound; The door creaks open)
Boy: (Immediately stops humming and tightens grip on the knife while smiling wickedly at the door)
-End in suspense-
*Should a short monologue for the protagonist be added?