Renai Saimin: Tsun na Kanojo ga Dereru Saimin

One day, after saving an old man Takumi is rewarded by gaining a special lighter that has the power to hypnotize people, making them follow their hearts. However, he doesn't have a chance to use it. Days later, a movement to ban love and romance happens at his class. To solve the issue, he decides to use his power. Yes, he hypnotizes all classmates to follow their hearts... like this, everything goes well! Well, not yet... Five girls suddenly approach him!

(Source: ErogeShop)