Urara is a quiet girl who looks good in twin tails. Her plump and healthy body was trained in the tennis club, and her pubic hair that grows randomly is unbearably erotic. She is teased by a loli old man and gradually begins to feel pleasure. A series of unknown experiences, including male genitalia, the taste of semen, sex, creampies, and orgasms, turn this innocent beautiful girl into a nymphomaniac...