One night, while walking, a female college student saw an old man wandering around in a yukata robes. He was wandering around. The female college student decided to give him a ride home, but when she arrived and talked to him, she learned that he lived alone and had no other relatives. The kind-hearted female college student decided to take care of him and began to visit almost every day. Then, one day, her boyfriend came over out of concern, and saw her having the old man suck her breasts and stroking her vagina. Enraged, the boyfriend raped her in front of the old man. Treated almost like a rape, she broke up with him on the spot. However, she began to feel affection for the concerned old man...