One day, Makoto, a female college student, is asked by her friend's younger brother to take her virginity. The kind-hearted Makoto accepts his request, but her friend's younger brother is not actually a virgin... He inserts his raw cock into her as he goes along, and she climaxes repeatedly with intense thrusts! However, his insatiable cock, which doesn't know how to withstand, attacks Makoto Makoto, and she is made to cum so much that she goes crazy!