Problem Children Are Coming from Another World, Aren't They? OVA

問題児たちが異世界から来るそうですよ? 〜温泉漫遊記〜 (Mondaiji-tachi ga Isekai kara Kuru Sou desu yo?: Onsen Manyuuki)

7.2(49,703)

MAL Score

Ranked #3899

Popularity #2581

Comedy
Ecchi
Fantasy
Isekai

Episodes: 1
Duration: 23 min
Aired: Jul 20, 2013
Status: Finished Airing

Synopsis

Izayoi, Asuka, and You are summoned to a hot spring village for a new Gift Game, where they’re asked to lend their talents to a small community struggling to secure a fresh water source. With the stakes tied to the village’s future, the trio dives into the challenge amid the relaxing—yet eventful—setting.

An OVA included with the eighth volume of the light novel.

Otaku Consensus

The OVA is best received as a compact bonus chapter for viewers already sold on Mondaiji’s rule-based Gift Game format, with Diomedéa’s brisk comic timing and the main trio’s chemistry doing more work than the actual one-off scenario. Its strongest asset is the series’ established mix of mythic tournament logic, super-powered swagger, and self-aware humor; the recurring criticism is that, as a bundled onsen extra, it is lighter and more fanservice-forward than the main story’s best Little Garden material.

Why You Should Watch

Watch this if you want a short isekai side dish built around competitive powers rather than another slow reincarnation setup. The appeal is closest to the game-board arrogance of No Game No Life, but with more battle-comedy swagger and less puzzle-box formalism; it also scratches the KonoSuba itch for troublesome personalities without turning into a standard harem routine. The OVA is especially for fans who liked the TV series’ Little Garden framework and want more of its Gift Game banter in a looser, ecchi-leaning format. It is not the entry point for Mondaiji, but as a post-series extra it delivers exactly what collectors of light-novel OVAs look for: familiar cast rhythm, compressed stakes, and a playful production that knows it is bonus material.

Key Characters

I
Izayoi
Izayoi is the character fans associate with Mondaiji’s bravado: a Gift-user whose confidence turns supernatural contests into intimidation comedy.
A
Asuka
Asuka adds a poised, commanding counterweight to the group dynamic, helping the series avoid feeling like a one-note power fantasy around Izayoi.
Y
You
You gives the trio its quieter edge, fitting the show’s super-power and kemonomimi-adjacent fantasy texture without disrupting its fast comic rhythm.
B
Black Rabbit
Black Rabbit remains the franchise’s most recognizable mediator figure, balancing mascot energy, referee duties, and the chaos caused by the problem children.

What Makes It Stand Out

1
This is not a recap or theatrical spinoff: the OVA was packaged with the eighth volume of Tarou Tatsunoko and Yuu Amano’s light novel series, making it a source-material-adjacent collector bonus rather than a TV broadcast continuation.
2
The production keeps the same franchise identity through Diomedéa, with Keizou Kusakawa credited as chief director and Yasutaka Yamamoto as director, a structure that helps the OVA feel tied to the TV anime’s pace and comic delivery.
3
The series’ signature terminology matters here: reviews identify the franchise as a tournament-fighting setup where psychic powers are formalized as Gifts, so the comedy is built around rule-bound contests rather than random isekai skirmishes.
4
AniList’s tag spread captures the OVA’s tonal blend unusually well: Isekai at 75%, Super Power at 65%, Kemonomimi at 60%, Gods at 40%, and Nudity at 30%, placing it between fantasy competition and deliberate onsen fanservice.
5
The broader critical read on Mondaiji emphasizes speed and attitude: Ani-Gamers singled out its good pace and humor while other reviewers described it as a pile of myth, bravado, old stories, and guts.

Fun Facts & Trivia

Fun fact 1: The Japanese subtitle, Onsen Manyuuki, marks the episode as a hot-spring side story, a classic OVA format often used for lighter material outside a TV season’s main arc.
Fun fact 2: The OVA aired on July 20, 2013 and is listed as a single finished episode, making it a concise add-on rather than a multi-part special.
Fun fact 3: The anime adapts a light novel created by Tarou Tatsunoko with original character designs by Yuu Amano; Naomi Ide handled the anime character designs for the screen version.
Fun fact 4: Its database reception is solidly niche-positive: MyAnimeList lists it at 7.17 from 49,703 votes, while AniList records a 69/100 score and 129 favourites.
Fun fact 5: The main production staff includes Kunihiko Inaba as art director, Makiko Kojima on color design, Yasuyuki Itou as director of photography, and Yuuji Oka as editor, reflecting a full TV-anime staff pipeline even for a one-episode bundled OVA.