Momose, a 26-year-old office worker, recently changed jobs after being harassed by his former boss. He is concerned that his new boss will also use power harassment to make his life miserable. Momose tries to hide his concern about facing a similar situation with his new boss, Shirasaki. To Momose's surprise, however, Shirasaki's inherent airheadedness immediately alleviates all of his concerns, giving him a sense of relief.

How can you fall in love when you can’t even hold hands? Due to a childhood curse, anything that the Duke touches will die—which makes his flirty maid’s behavior all the more shocking! Is there a way for the Duke and his companions to somehow break the curse, or is he doomed to a life where love is forever out of his reach?

The episode bundled with the 13th volume is about the Sumo competition that held at Tempest for the first time, suggested by Rimuru. The three-part OVA bundled with the 14th, 15th, and 16th manga volumes is an original trilogy written by Fuse. Rimuru has been teaching Shizue's students at Ingracia Kingdom's Freedom Academy. The time has come for the school's annual outdoor training event, where the students will test their combat skills in the field. Rimuru is determined to win the competition and take home the prize money, but he is challenged by Jeff, an honorary teacher who sees Rimuru as a rival. The competition is underway when suddenly an unexpected enemy appears!

On his high school graduation day, Itsuki's cousin, Mahiru, tells him that she's pregnant. Just then, a gate of light emerges and transports the two into the world of Granvania. In this land, "Impurities" have been causing a disturbance to the Stars, ultimately plunging Granvania into chaos and disorder. And Itsuki, now revealed to be one who is fated to meet with the "Star Maidens," is seen as Granvania's last hope and was thus given the task to produce "Star Children" and combat the "impurities." And unless the task is complete, Itsuki may never be able to return home. (Source: Wikipedia, edited)