Isekai Onsen Paradise (名湯『異世界の湯』開拓記～アラフォー温泉マニアの転生先は、のんびり温泉天国でした～, Meitō "Isekai no Yu" Kaitaku-ki: AraFō Onsen Mania Tensei-saki wa, Nonbiri Onsen Tengoku Deshita, "Pioneer Log of the Storied Hot Springs "Alternate World's Springs": The Reincarnation Destination of an Onsen Fan (Who's Around 40) Was a Relaxing Hot Spring Paradise") is a Japanese light novel series written by Konao Menrui and illustrated by Yoshitake. It began serialization online in September 2019 on Hobby Japan's user-generated novel publishing website Novel Up Plus. It was later published by Hobby Japan with three volumes since August 2021 under their HJ Novels imprint. A manga adaptation with art by Masahito Sasaki was serialized online via Hobby Japan's Comic Fire website from November 2021 to December 2023 and was collected in two tankōbon volumes. A short-form anime television series adaptation produced by BloomZ and Wolfsbane aired from January to March 2024.
Plot
Kōzō Yukawa is an avid hot springs enthusiast. While searching for a hot spring in the mountains, he falls off a cliff and dies. An Inari spirit reincarnates him in a fantasy world. Retaining his passion, he quickly finds a hot spring and entices various ladies, including the Inari's messenger, Mayudama, and some elves, to bathe with him.
Characters
Kōzō Yukawa (湯川好蔵, Yukawa Kōzō)
Voiced by: Shōhei Tokiwa[1] (Japanese); Christopher Escalante[3] (English)
Written by Konao Menrui, Isekai Onsen Paradise began serialization on Hobby Japan's user-generated novel publishing website Novel Up Plus on September 6, 2019.[4] It later began being published, with illustrations by Yoshitake, under Hobby Japan's HJ Novels imprint in August 2021. Three volumes have been released as of August 19, 2022.[5]
A manga adaptation illustrated by Masahito Sasaki was serialized on Hobby Japan's Comic Fire manga website from November 19, 2021,[8] to December 25, 2023. Its chapters were collected into two tankōbon volumes from August 2022[9] to December 2023.[10]
A short-form anime television series adaptation was announced on November 26, 2023. The series is produced by BloomZ and Wolfsbane with production assistance by Gekkō.[12] Tomonori Mine directed the anime, with Yōhei Kashii writing series scripts, Minori Homura handling the character designs, and YAB EntertainMent credited for music production.[1] It aired on Tokyo MX and BS Fuji from January 12 to March 29, 2024, with the AnimeFesta service streaming an explicit and "steam-less" version of the anime. The series' theme song "Baby love! Baby please!" is performed by GuilDrops.[13] The series was licensed by the manga and anime platform, Coolmic,[14] and an English-subtitled version of the anime was released on their website.[15] A Blu-ray box of the anime was released by Gekkō on May 29, 2024 through Pixiv's BOOTH e-commerce platform.[16][17]
