Quick Plot Summary: ひと回りも年の离れた出来のいい义妹に片思いして10年。 ある日彼氏ができたと知った俺は、嫉妬のあまり睡眠薬を盛って毎晩中 is a film that explores complex human emotions and relationships through detailed character development. This summary provides a scannable look at the movie's central conflict and narrative structure.