Sakiha, the wife caring for her husband, Seiichi, who has become wheelchair-bound due to an accident. One day, her husband's close friend, Ōki, visits to offer his condolences... Ōki is asked by Seiichi to accompany Sakiha for a change of pace, as she has been unable to leave the house due to constant caregiving. Ōki, who harbored secret feelings for Sakiha, entertains improper expectations during their alone time... Despite Seiichi sleeping nearby, Ōki pushes Sakiha down as she approaches him defenselessly. Confused yet overwhelmed by the intense caresses and penetration, Sakiha experiences multiple orgasms...