Famous in school for her large breasts, 'Rika Tsubaki' was an unaware gal. Her large breasts would break a man's reason and entice him with erotic acts, but she wouldn't resist much. The man thinks: Lucky! And falls into the trap of pleasure, accepting it and having sex with anyone. On a rainy day, in an empty classroom, the gym storage room, various places where the lucky story begins, the worst tale unfolds
