If your interest is specifically in high-stakes "climax" romantic moments in squad-based games, these titles are frequently cited by experts:
: Recognized for having some of the most "epic RPG relationships" where squad members' personal quests culminate in intense romantic climaxes. Sex Squad 63 Color Climax
: The Love Between the Covers project explores the historical and cultural "backstories" that lead to the romantic climaxes seen in modern diverse literature. If your interest is specifically in high-stakes "climax"