姉♥Summer! ～ねえ♥さまー！～

剧情简介

Yuuta wish to attend a certain university so he can impress the girl he likes. But the entrance exam won't be that easy so he has to exert effort in studying while it is still summer. For that reason, he go to the house of his cousin named Kei for study assistance.
And since his uncle is out, they'll be living together... just the two of them.

edited from kaorinusantara