Quick Plot Summary: 兄に浮気されて捨てられそうな義理姉と、旦那(兄)の不在中に代理に新婚生活楽しんでいます。 傷心中の義姉と疑似新婚子作り中出し生活 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.