Adult PC Game: Tenki Ane by Momoiro Gekijou Archive

Junichi has two older sisters, Miu and Yuu. They are popular weather forecasters. His friends envy him, but they aren't actually good sisters at home! However, Miu and Yuu have taken good care of him since their parents passed away when they were guys. Therefore, Junichi can't talk back to them...

Tenki Ane by Momoiro Gekijou Gameplay Preview