Shunsuke Aoba has just transferred to a new school and can’t wait to attend. Excitedly, he sprints to the school but, upon arrival, finds that no one is there. Unfortunately, Shunsuke didn’t know that his first day was a holiday, of all things. However, it seems that he is not the only one on campus. As he is about to eat his lunch, he meets a student named Natsumi. Shunsuke gives her some of his food, and the two strike up a conversation. Natsumi was born as a so-called SL girl, a particularly tall girl. She herself accepts her specialness but is rejected by many of her classmates. How will Shunsuke react to this? Will their initial friendship continue?

上班族三上悟遭到隨機殺人魔刺殺身亡。當他醒來時發現自己轉生到了異世界。但是，他的模樣卻變成了史萊姆！在獲得了「利姆路」這個嶄新人生（史萊姆生？），並且來到了這充滿了各式各樣種族的世界後，他決定以「打造出不分種族、讓大家都能夠快樂生活的國家」為目標 ──！

"舞台是日本的大正時代，名叫竈門炭治郎的平凡農村少年，靠著賣炭來維持一家的生計。某天他下山去賣炭，回家時天色已暗，好心的三郎爺爺便留他住了一晚。隔天他回到家卻發現家人全都遭到殘殺，只剩禰豆子身體還有餘溫，然而她似乎變得跟平常不太一樣？為了尋求拯救妹妹的方法，炭治郎踏上了斬鬼的冒險旅程。

一位平凡的學生從敵人手中救出一名惡霸後，不僅獲得超能力，還獲准進入一間專門訓練英雄的高校。