Sono Hanabira ni Kuchizuke wo: Shirayuki no Kishi

June, and the girls at school have switched to their summer uniforms. Second-year Azumi Risa is now fully settled into the love she shares with Ayase Miya—a relationship that began as a misunderstanding and became something neither of them would trade away. The Best Couples tradition continues with a new pair: Shirakawa Sayuki, called "The Perfect Lady," and Shinozaki Rikka, a sprinter with a national record. When Risa goes to greet them, Rikka cries out and wraps her arms around her in front of both of their partners. The campus erupts. Nobody quite knows what to make of what just happened—including Risa herself.