Ever heard of Kizuna Kana? She's known throughout Seirin as the silent beauty. Anyone who has heard her talk was considered lucky. Many boys like her and has tried asking her out, but she simply rejects them with a smile and walking away. Girls envy her, wishing to be her and wishes to have her nice figure. But when Kana goes to the basketball club one day, and speaks up for the first time, everyone's jaw will drop. "Kagami-san, here..." "What's this?" "It's a 30 day free girlfriend slip, if you accept it you'll be my boyfriend for free for 30 days." "HUH?!?"