Fuuko is a happy and cheerful girl. One day, two cousins, Daiya and Ichi, move into the apartment upstairs. Cold Ichi and mischievous Daiya gave a very bad first impression. All three are going to the same school as well. How will Fuuko's high school life turn out? <b>Included one-shot:</b> Volume 1: <amlink subject="12709">Frill</amlink> Volume 2: <amlink subject="12709">Happy shiteru?</amlink> (Are you Happy?)