Widow Keiko tries to forget her daily loneliness by reminiscing about her late husband's huge cock. She lives with Dave, a black homestay student, and gradually becomes attracted to his massive black cock. However, she struggles with not being able to reach her most sensitive spot with her fingers. Seeing her distressed, Dave decides to repay her kindness by using his huge black cock on her. Once ignited, Keiko begins to experience new emotions, but must now figure out how to handle this evolving relationship.