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Masaki who's been having a hard time fitting in with his class due to his unique background and character, meets Harumi, who is even more eccentric than he is. She offers to help him off of his worries by bombing the Tsuganei Tower.

10 years since the chaotic events of Alternative, Kana rushes to the scene of the crime. In order to stop Harumi from her crazy schemes, Kana jumps in as the negotiator, when Masaki's NO gets triggered by Harumi's unexpected actions.

In order to stop Harumi's nonsensical actions, a sniper shoots Harumi down. Masaki is livid! Kana desperately tries to treat her, but she doesn't regain consciousness. With Masaki's emotions reaching their peak, his NO finally activates.