After leaving the time-bubble with a united mission to stop the apocalypse and not mess up the timeline, Class E and their new friends from the Main Campus are ready to save the world. ...Then, Future-Ritsu tried to promote her new anime series Koro Sensei Quest since the producers cancelled it, and things kind of just went off the rails and became a trainwreck again. But, at least this time around they have better protein bars. *Sequel to School watches Assassination Classroom*

When the Asano twins were seven they made a promise. "It's just us now," Gakushuu said firmly, holding her hand tightly. "We can't rely on mom anymore and we can't trust dad." His gaze narrowed. "So we have to rely on each other." He gripped his sister's hand tighter. "We can't trust anyone else." Mitsuko was hesitant, but the smash from downstairs made her flinch. "...Just us?" "Just us," he reiterated.

Seven eccentrics simply enjoying life in spring, until of course, fun times always end...