At a hot spring inn on a high school school trip, high school girls discover a bag full of money that a yakuza lover stole away. A hitman who appears to recover money, and a homeroom teacher who is begged by another student. A crime comedy set in a hot spring inn where multiple motives are entwined and chaos causes chaos.

Just after WW2, a romance between an innkeeper and a man with tuberculosis unravels near a thermal spring.

It's a man's world. Shimamura, an artist, comes to this snowbound town to rejuvenate himself. He connects with Komako, a geisha he met on a previous trip, and it seems like love. She's the foster daughter of a local family, almost engaged to the family's son Yukio, now dying of consumption. He's tended by his sister Yuko who's angry at Komako for abandoning her brother. Shimamura returns to Tokyo but promises he will be back soon. In anticipation of his return, Komako breaks with her patron and her family loses their home. Complications arise when Shimamura doesn't come back as promised. Then Komako discovers that he and Yuko knew each other in Tokyo. Can Komako escape destiny?

Edawakare, the driver of the Time Taxi that allows passengers to return to their life's turning points, visits a hot spring this time around. An array of guests at the inn are fraught with troubles in their life and become passengers of the Time Taxi. And somehow all the clients are actually part of a bigger picture?!

Namba Hiryu was captured by Kisaragi-kai, a group of villainous sparrows who are opening dark gambling venues at hot spring inns nationwide! Mashiro, a daughter who learned mahjong from Hiryu when she was young, challenges the Kisaragikai with Chiko, who was the leader of Hiryu, in order to protect the public bath at her parents' house! Mashiro and his friends struggle with the sneaky mahjong of the Kisaragikai, but when they enter the hot springs and their bodies get hot, the mahjong becomes stronger! ?? Can Mashiro and Chiko rescue Hiryu without losing the peeping of Ishiwa's toothed turtle and the strip mahjong confrontation with Ito's black panther? ??

In accordance with ancient rituals a landlady who runs a hot spring spa, known for its fertility, needs to conceive or she will be forced to leave. Meanwhile the owner of the spa is happy to indulge in the erotic attentions of the many geishas working there who have hopes to replace her if she fails in her duty.

In a small hot spring town in Japan, a ferocious ancient shark reawakens and begins terrorizing the local hot spring facilities. As the threat escalates, the townspeople band together to protect their beloved town from the menacing predator, leading to a fierce and thrilling battle.

Izayoi, Asuka, and You have been invited to participate in a Gift-Game at a hot spring village to help the small community there find a new water source. OVA bundled with the eighth volume of the light novel.

Tenmasou is a long-established inn atop a mountain overlooking the sea, in a town called Mitsuse that exists between heaven and earth. The inn is run by Nozomi Tenma, the proprietress. Her younger sister Kanae works as a dolphin trainer. Their mother Keiko is the inn's elder proprietress, who is still resentful of her ex-husband that deserted his wife and family.

An environmental analyst is asked by the police to determine if two deaths by hydrogen sulfide poisoning are an accident - or a murder. But when he meets a young woman at both sites, a scientific mystery begins.

Two Korean conscripts undergo Imperial Japanese Army training, much to the pleasure of their families.

12-year-old Oriko Seki, who lost her parents in a car accident, ended up living in her grandmother's Onsen Ryokan "Haru no Ya." With the ghost "Uribou" cohabitating with her and all the other odds, she ended up training to be a young female innkeeper. At first, she didn't like the training, but gradually felt her admiration for her title and began to train seriously. Thus, the growth of the young warrior Oriko begins.