Reincarnated into a magical world full of adventure, a formerly aimless and unemployed man decides to live his new life to the fullest.

Betrayed and on the brink of death, genius exorcist Haruyoshi Kuga still has an ace up his sleeve—a reincarnation spell. With a successful incantation taking him to a new world reborn as Seika Lamprogue into a distinguished wizard family, his only wish is to find happiness. But as Seika’s onmyō art exceeds this world’s magic, will he be able to live an easy, happy-go-lucky life?

Tanjirō Kamado, joined with Inosuke Hashibira, a boy raised by boars who wears a boar's head, and Zenitsu Agatsuma, a scared boy who reveals his true power when he sleeps, boards the Infinity Train on a new mission with the Fire Hashira, Kyōjurō Rengoku, to defeat a demon who has been tormenting the people and killing the demon slayers who oppose it!

Considered a genius due to having the highest grades in the country, Miyuki Shirogane leads the prestigious Shuchiin Academy's student council as its president, working alongside the beautiful and wealthy vice president Kaguya Shinomiya. The two are often regarded as the perfect couple by students despite them not being in any sort of romantic relationship. However, the truth is that after spending so much time together, the two have developed feelings for one another; unfortunately, neither is willing to confess, as doing so would be a sign of weakness. With their pride as elite students on the line, Miyuki and Kaguya embark on a quest to do whatever is necessary to get a confession out of the other. Through their daily antics, the battle of love begins!

Teased constantly by classmate Takagi-san, middle-schooler Nishikata swears payback by trying (and failing) to give her a dose of her own medicine.