ore 13: One day, Okada meets pretty boy Oda. He'd been rejected by Suna's sister Ai, and he wanted to have a word with Takeo, who was the cause of his rejection.

Takeo is over the moon over his new little sister, Maki. With Valentine's Day approaching, Takeo's heart is set aflutter again since he has never gotten chocolates from a girl who liked him in his life. He can't wait to see what Rinko will give him.