Chaste ☆ Chase!

Yuu just lives a boring life. But one day, he meets a girl on his way home from school. "Don't you know me? I'm the Land God of this area." She possesses Mana, his childhood friend, and tells him, "I want you to catch my followers. They went downtown to take part in a festival. Of course, I'll give you a reward!" However, he is totally confused because he doesn't even know their faces. Therefore, she gives him power. Well, will he be able to catch all of them? Also, what will he get from the God as a reward?