The simple girl fell in love with a hottie Guy

One day, Rina's heart gets broken when her crush gets a girlfriend and she can't stop crying in class. But her tears are hidden by a guy name Kevin and protects her from letting others see her cry. She then starts feeling for him and when a new semester starts, she finds him again and confesses right on the spot. He doesn't say yes, but gives her 3 days to kiss him. And if she does, he'll make her his girlfriend. How will shy Asumi be able to kiss this hottie?