Demon King Ahriman has a problem: his daughter, Dou, loves everyone! Consequently, Ahriman had to halt his invasion of the world in the worry that his daughter's behavior is not one befitting someone of her kind. She loves making friends, helping others, and bringing happiness to all creatures including their enemies, the humans. Ahriman, however, congratulates Dou for her good deeds instead of scolding her. With the help of his aide Jahy, who is assigned as Dou's master, the two try to get rid of her kindhearted nature—so that the Demon King's daughter goes from a cute, adorable, and nice little girl to an inhuman, cruel, and twisted little demon.

With an endearing protagonist and luscious art, this seaside slice-of-life story offers tranquility in the chaos of the modern world. For two years, Wakana Kinme has run a laundry service in the seaside resort town of Atami, where she's built a fulfilling life making friends with the locals and visiting hot springs. Although Wakana has no knowledge of her own past, her cleaning services safeguard memories imbued in customers' precious items.

Overworked office employee Seiichirou Kondou would be fine spending the rest of his days in the same exhausting routine, but an unexpected act of heroism causes him to be sucked into a parallel world. His abductors, residents of the magic-filled Romany Kingdom, promise him a life of comfort as an apology for his accidental summoning. Unfazed, Kondou demands something that he thinks would suit him better: a job. After witnessing the incompetence of his new colleagues in the Royal Accounting Department, Kondou's workaholic instincts kick in, and he takes it upon himself to save the kingdom from complete bankruptcy. But this new world proves detrimental to Kondou. When the young and dashing captain of the Third Royal Order, Sir Aresh Indolark, saves Kondou's life, the two become something more than acquaintances. Though Kondou and Aresh initially struggle to convey their clashing values to each other, they slowly realize that this meeting will not only change their own lives but also the kingdom as a whole.

This story is about Shinonome Hajime, an adventurer of Silver Range. He's dedicated to fulfilling missions from the guild. One day when completing a quest for monster meat, he finds a strange girl named Lily in a dungeon who's far more trouble than she's worth. Saving the girl from certain death, her story reminds him of his similar past and he takes her under his care...