Onii-chan, Kiss no Junbi wa Mada Desu ka? Ecchi no Junbi mo Mada Desu ka? by Tinkle Position by Tinkle Position jap, eng

The long-awaited summer vacation came a few weeks after the younger sisters of Asahi, Mahiru, Yayoi, and Saya became even closer to their older brother. This is the beginning of happy days during which he can be with his sisters for at least a whole day! Give out loving kisses all day long! Choose who will bring him an evening snack and spend the night with him with a kiss! The summer holidays at Seguchi's house are just beginning!