Oda Akira is the kind of guy who people forget is even there. His unassuming nature pays off, though, when his entire class is swept away to a fantasy world, and he slips easily into his new role as a silent assassin. Between his suspiciously high starting stats and too many details that don't fit, Akira is sure something is wrong. But digging into royal secrets is a dangerous game, and when Akira uncovers an evil scheme, he also makes a powerful enemy—the very king who brought him to this world! With the help of the elven spirit medium Amelia, can he find the power to set things right, and get his revenge?

Announced at the the "Gintama Ato no Matsuri 2023" event: an anime adaptation of a light novel spin-off series of Gintama. Mainly about school-life played by the main series characters, the storyline revolves around class 3-Z's students and their wacky homeroom teacher Ginpachi-sensei at Gintama High School.

"This is the punishment for a fat, ugly girl like me falling in love with someone as beautiful as you..." Yumeko had a mountain of complexes about herself. Then, a terrible accident befalls her. Though somehow saved from the brink of death, Yumeko wakes up a completely different person. "This is...me...?! I'm SO cute!!" Those around her can't hide their surprise and wonderment at this 180°change... But, Yumeko's new hyper-positive attitude starts to change her surroundings, too. Worries and complexes can affect anyone, and Yumeko will chop right through those of her various supporting characters!! In love, work, friendship... And an attempted murder case?! This frenzied romantic comedy will leave you bubbling with energy!

Despite completing all the tasks given to them, Ainz Ooal Gown, Tanya Degurechaff, Kazuma Satou, Subaru Natsuki, and the other members of Class 2 are surprised to find out that their role as students is far from over. With no means of returning home, the class of eccentric personalities is still mysteriously stuck in the unfamiliar world. Although, as they are becoming quite fond of each other, spending more time together does not sound that bad. With the unexpected arrival of new transfer students, the comedic antics of our beloved characters continue to grow. Thus, their bizarre yet nonchalant school life continues.