After a decade of the events of Ultimate Academy Of Gifted Juveniles with the death of 13 students 7 killed (Rantaro, Ryoma, Angie, Tenko, Miu, Kokichi, Tsumugi), 6 executed (Keade, Kirumi, Korkrekiyo, Gonta, Kaito, K1B0) lost, and the survivors Shuichi Saihara, Maki Harukawa, and Himiko Yumeno are living on as Young Adults now

Shuichi Saihara: "Time went so fast.."

Himiko Yumeno: "A decade..wow.."

Maki Harukawa: "And now we at the edge of Adulthood while our friends is still teenagers.."