Life skills: Near zero! Love: A complete airhead! Defense: So lousy that it's worrying! High school student Daisuke and his uncle Houichi, who is not a blood relative, start living together. While looking after the daily needs of the completely useless Houichi, Daisuke discovers that he can't leave him alone. When he witnesses an older man kiss Houichi, Daisuke flies into a rage and kisses Houichi himself! Is this feeling a desire to protect? Or is it love…?