A high school boy who's always considered himself to be an alpha finds out that he's an omega?? And his destined partner is a kid? Sayonara Alpha Side Story on DLsite (English) Both extras are not included ...

Ken has never been good with words. However, he learned to overcome his shyness when his classmate Takumasa approached him with an exchange diary. In high school, problems start to arise in Ken's and Takumas...

Seiichi had a romance with his cousin Keisuke when he was in high school, but it only lasted for a few months. After ten years, he meets Keisuke in Tokyo again. Sayounara, to Kimi wa Te o Futta is published...