Risa and Ōtani are their class's lopsided comedy duo, and they've become a couple! Ōtani has been accepted into a teachers' college, while Risa, on her friend Nobu's advice, decides to study fashion and become a stylist. Their friend Suzuki, however, fails his entrance exam and is on the verge of having his girlfriend Chiharu stolen. But with Risa and teh others rooting for him, Suzuki salvages his pride and wins back Chiharu. Out of the blue, Risa's grandfather returns home from abroad. He doesn't approve of Risa's height-challenged boyfriend and comes up with a plan to separate the two. Beautiful Hitomi, a mysterious woman with a big rack, suddenly appears before an unsuspecting Ōtani...