Haruto Kaguragi runs away after accidentally seeing a girl at a hot spring. She arrives the following day at Eitoku to return his wallet, and later realizes that she has feelings for Haruto. Meanwhile, Oto Edogawa decides to begin a real relationship with Tenma Hase, crushing Haruto in the process.
"Haruto Kaguragi, leader of the most exclusive clique at wealthy Eitoku Academy, has realized his feelings for poor student Oto Edogawa. But after Haruto has a chance encounter with the beautiful model Megurin—in the bath!—his love life takes a new direction, whether he wants it to or not. Is love in the water for the leader of the Correct 5 and the current It Girl...or is Haruto in hot water with Oto?"