Season 3

異世界転移から学園に戻ってきた アインズ、カズマ、スバル、ターニャ、尚文達。 2くみは新たな転校生のオットー、ガーフィールを迎え、 再び平和な学園生活に戻る……かと思いきや、 何やら不穏な雰囲気が。 1くみに現れた謎の転校生たち、あちこちで起きる 奇妙な事件、そしていつも通り唐突に発表される イベントの数々。 学園生活の行く末やいかに！？

Ainz, Kazuma, Subaru, Tanya, Naofumi and the others have returned to school after being transported to another world. Class 2 welcomes new transfer students Otto and Garfiel, and they hope to return to peaceful school life once again...or so they thought, but something unsettling is happening. Mysterious transfer students appear in Class 1, strange incidents occur here and there, and as always, a number of sudden events are announced. What will be the outcome of school life?!