Due to her father's arrangements, black gal yukina ends up living at her grandfather's house. Unlike her strict father, yukina loves her kind grandfather. One day, yukina discovers AV in her grandfather's room. From that point on, yukina develops a sense of gratitude towards her grandfather who has little time left and feels sympathy for the lonely old man... Look forward to the lewd licking and entanglement between a genuine old man and a black gal!
