Adult PC Game: Crossnet-Pie - Resort Boin Final Archive

Overview:
Daisuke is a high school teacher. He starts off on a journey to the southern islands during summer holiday. Blue sky, blue sea, white sand and girls in swimsuits. But all his money is stolen by a monkey along the way, and he reluctantly starts to work part-time at a restaurant near the beach.
He meets six girls with big breasts there, and his exciting summer holiday starts.​

Crossnet-Pie - Resort Boin Final Gameplay Preview