真剣出し！ロワイヤル～フィニッシュは私の中で～

Sasuga follows his mother's will and moves to a new high school. According to her will, there are several girls who will accept his semen... Though he has a fiancee, he reluctantly follows her will. On his first day of school, he is persistently pursued by them... Will he be able to keep his love with his fiancee..?