|Length||Medium (10 - 30 hours)|
Yuya has a younger sister, Hatsumi. But she is more than just a sister to him. Actually, he loves her. One day, their parents go travel for a while, and there are only Yuya and Hatsumi at home. She suddenly tells him she loves him. They finally find out that they love each other....
|2007-04-27||18+||Hajimete Doushi ~Standard Edition~|
|2011-06-10||18+||Hajimete Doushi - Download Edition|
|2018-07-20||18+||Hajimete Doushi - Android Edition|