Episode Title:Which way should I go to get to the castle?.Episode Description:With an upcoming Autumn Festival serving as an assessment of the departments prior to the winter ball, Mishiro reveals her own "Project Krone", Mishio invites Rin to join a new unit called Triad Primus alongside Nao and Karen while suggesting Anastasia make her solo debut. As both girls, and the Producer, feel conflicted over what to do, Anastasia meets some of Project Krone's idols, Yui Otsuki and Fumika Sagisawa, while Rin talks with Nao and Karen, with each pairing giving the girls something to think about. Wanting to challenge herself, Anastasia ultimately decides to accept the offer, receiving support from both the Producer and Minami, while Rin talks to Uzuki and Mio about joining Triad Primus. After becoming shocked by this, Mio announces the next day that she'll also be making her solo debut.