At St. Cattleya Hospital, Kuwabara Souichirou's long quest finally brings him face to face with Nanase Ren, the woman he has never stopped loving. Their reunion, however, proves distant and strained, leaving him unsettled by hints of the ordeals she endured under Hirasaka's earlier experiments. Seeking comfort, he draws closer to nurse Kazama Mana, whose quiet affection and resemblance to Ren offer an unexpected outlet for his lingering emotions and deepening turmoil.