histórias de Urabemikoto

In the future where Urabe and Tsubaki finally have children. They leave their children in their grandfather's house. They find a stange object that takes them and Ueno's children to the past. Will they be able to go back home?

Tsubaki Akira and Urabe Mikoto are boyfriend and girlfriend the only couple-like thing they do is a daily routine in which Tsubaki taste Urabe's "drool" but "drool" is the precious bond that connects them together, until this day...everything is about to change.