Yume and Arito are still an innocent couple who haven't gone all the way yet. On her 20th birthday, Arito celebrates it lavishly for her, and tonight seems like they might finally go all the way. However, Yume struggles with not being able to confess that she is actually a virgin…! Though confused about having sex for the first time in her life, she is enveloped in both body and mind by the kindness of the person she loves dearly, making it the sweetest night for the two◆
