HGOT-040 — The Last Day I Spend With My Sister Who Is Getting Married. Renka Yamamoto

A brother and sister have been living together since losing their parents. During that time, the brother has a strange affection for his sister. The sister is getting married and is leaving... While wishing for her happiness, the brother doesn't want her to belong to someone else, so he takes a forbidden action to stop her from staying! The sister wants to accept his feelings, but she knows it's wrong, and yet they end up getting entangled in a fleeting day.