The title includes "Yomei Ichi Kagetsu no Doutei" (Virgin with one month to live) for a reason. Chapter 61 finally pays off an early plot thread. The protagonist, cornered by Seraphina’s accusations, admits he has never used the harem for sexual gratification (keeping his "doutei" status intact) not out of morality, but because losing his virginity would instantly trigger a "Second Phase" curse—killing him immediately. This raw, emotional confession is the chapter's centerpiece.
The series Makutsu no Ou: Yomei Ikkagetsu no Doutei, Mahou Shoujo Harem wo Kizuite Ou e Kunrinsu (also known as The title includes "Yomei Ichi Kagetsu no Doutei"