Kouyasai: A Sherd of Youthful Memories

The protagonist sets up his school's festival with the help of his classmates. He's able to get closer to them, and will obtain eventually a love ending (if it's with a girl) or a friendship ending (if it's with a boy).

The protagonist sets up his school's festival with the help of his classmates. He's able to get closer to them, and will obtain eventually a love ending (if it's with a girl) or a friendship ending (if it's with a boy).