Uso Koi summary:

High school student Kano is worried about her inability to find a boyfriend. Because it's her first time to fall in love, she has high ideals and can't take the first step… But then, she and Toki, who is her "least favorite type“ and on the same organizing committee for the school festival as her, decided to become a fake couple for a limited time?!The most powerful bickering couple is born!