Mysterious buttons appear in the worlds of Tanya the Evil, KonoSuba, Overlord, and Re:Zero. When the characters push them, they're taken to a place they'd never imagined...

Now that everybody's settled in, it's time for the first day of school, which means everybody has to introduce themselves.

The students begin to wonder about why they are here, and what this school really is. Tanya, in particular, has a theory about Ains...

The students realize that they're all from other worlds, and begin to share their backgrounds. But some are luckier than others...

It's time for the talent show, but none of the students are talented at all. The KonoSuba crowd in particular...

It's time to pick the class rep! But Aqua doesn't want Ains to do it, and Albedo doesn't want Aqua anywhere near the job.

Emilia's the class rep now, but it's really hard. But she wants to do her best!

It's time for a field trip to the beach, and the gang's getting ready. But who wants to see Kazuma in a swimsuit?

The field trip is here, and it's great! Everybody's at the beach and having a great time. But Tanya hears something that makes her upset...

It's time for Field Day, and Roswaal hints that whoever wins will get to go home. But then they meet their opponents...

Field Day is here, and it's lots of fun for everyone. There's tug of war, scavenger hunts... and giant robots?!

The mobile fortress "Destroyer" has joined the last game! It's up to the quartet to grab its headband and win the game.

逐漸習慣了學校生活的 2 班同學們。在他們眼前出現的新人轉學生竟然是…

因為在這個世界沒辦法喝到「那個」而痛苦不已的和真一行人。沒想到朝思暮想「那個」似乎就隱藏在學園中的某個角落。想當然的，他們的選擇只有一個…

阿克婭一行人因為違反了校規，被送去了恐怖的生活指導室。為了拯救因為接受了特別指導而身心受挫的他們，這時挺身而出的是…

班上突然發佈了要考試的訊息，暗地裡害怕不及格的安茲，為了順利通過考試，使出了禁斷的方法…

為了情人節，雅兒貝德卯足全力著手製作巧克力。此時，在她面前出現了一個反覆歌頌著｢愛｣這的詞彙的男人…

為了一些小事而爭執不下的譚雅和安茲，竟在不知不覺中把班級捲入分崩離析的狀況之中。雷魯根老師認為，此事已經難以用溝通來解決，於是提出了某種對決的方式…

學園的下一個活動是，健康檢查。有想偷窺的傢伙，還有想防止別人偷窺的人，所有人的想法交織在了一起。同時，也有對這些事情都無所謂的思緒混入了其中…

最近維夏的樣子非常奇怪。於此同時，在各式各樣的地方都出現了目擊到她的情報。究竟她的目的是什麼呢？

為了決定學園祭上要演出的主題，萊因哈魯特拜託菲洛去調查大家的意見。跟各式各樣的人聊了之後的菲洛……。

距離學園祭還有 1 週的時間。連話劇的主題都還沒決定好的 2 班，到底能不能在學園祭前完成準備呢？

當大家正在快樂的享受著學園祭時，正在做話劇登台準備的 2 班同學們面前，卻有不速之客到來…

2 班的表演順利的開始了。另一方面，在運動場上的阿克婭、雅兒貝德、維夏則和毀滅者展開了激戰。話劇與戰鬥，這段學園生活的未來將會如何…