Jun has decided not to get involved with either of them for the time being. A friend of Rumi asks Jun to help her with studying. They try to keep this a secret from Naori since she is a stunningly beautiful model.

Naori puts her plan of making a new club into action, and in the meantime Rumi receives some unexpected news.

The negotiations over the empty clubroom begin, while Rumi's situation with Mizumi grows more complicated by the second.

After seeing Mizuma's message, Jun has a decision to make about Rumi. Meanwhile, Naori is plotting something after her chess game, too.