As the fourth round comes to an end, Ako gives Shizuno her school uniform to wear as she heads to the final round between her, Awai, Ryuuka and Himeko. Himeko starts making strides using the 'keys' Mairu obtained during her respective hands in her round, moving Shindouji to second place. Meanwhile, Ryuuka discovers she is able to use some of Toki's ability to look a turn ahead to a certain extent as a result of Toki constantly resting on her lap. With both Himeko and Ryuuka winning hands, Awai decides to get serious and declares a double riichi...