Tokito borrows a book from the library about how to make any girl your girlfriend. Stare at them with confidence for 10 seconds, and they will become yours! But will it really work? Can anything be that simple? And who will Tokito choose? He tries it out on every girl he knows, his childhood friends Koharu and Raika, the quiet librarian Serina, the wealthy and beautiful Touma, even the mysterious girl Kokona, whom he only knows online. It really works! Now that Tokito has so many girls hearts, who will he choose to make his girlfriend?