Miyabi wird noch immer vermisst und die Koryo-Akademie bereitet auf die Rein Conference vor. Tor verlangt von Lilith Antworten über das Absolute Duo.
In the ruins of the facility, Tooru and his friends are searching for a missing Miyabi, only to be stopped by Rito who tells the students that they had to leave the island. Despite Tomoe's and Tooru's plea to stay in for their search, the rabbit teacher tells them that it was under the headmistress orders, forcing them aboard the ship and leave the island. Two days has passed since the incident, Tooru senses something different about Tomoe even her discipline remains unchanged, though only Lilith seeing Tomoe's upset reaction over Miyabi's disappearance while passing though the shower room. In the class, Tooru remarks over Rito's word about not to spread a word about Miyabi's disappearance, which winds up upsetting in his fellow classmates. At the same time, Lilith is cheering both Tooru and Tomoe up in the class before Julie also following suit.
La directrice propose à Tor une récompense pour son sauvetage. Elle annonce par la même occasion la Rain Conference qui aura lieu à l’académie. Elle compte parmi ses invités Equipment Smith, le fameux créateur des Unit. Cette conférence prendra une tournure qui prédit une suite des événements pour le moins macabre…
합숙이 끝나는 날에도 미야비의 행방은 알 수 없었고 결국 코코노에 일행은 학교로 돌아올 수밖에 없었다. 그리고 학교에선 레인 컨퍼런스가 열리는데...
El director le ofrece a Tor una recompensa por su rescate. Al mismo tiempo, anuncia la Conferencia de lluvia que tendrá lugar en la academia. Entre sus invitados se encuentra Equipment Smith, el famoso creador de las Unidades. Esta conferencia tendrá un giro que predice una secuencia de eventos para decir lo menos macabro ...