Töka increases her intensity and scores a large hand, ruining Nodoka's perfect run. However, her glory is short-lived after falling into a play laid by Tsuruga's Momoko Töyoko, with a technique called "stealth mode". This ends the first half. Momoko's small presence renders her virtually "invisible" during mahjong play. Her background involved abandonment of all communication, until her school's mahjong club leader, Yumi Kajiki, found her in search of a fifth player to the club...