Genjitsu no Rimuru: Sunshine in the Slime

幻日のリムル -SUNSHINE in the SLIME-

5.8(2,106)

MAL Score

Ranked #11446

Popularity #7265

Comedy
Fantasy
Isekai

Episodes: 2
Status: Finished Airing

Synopsis

In a unique crossover that blends the whimsical charm of Genjitsu no Yohane: Sunshine in the Mirror with the imaginative world of Tensei shitara Slime Datta Ken, a delightful adventure unfolds. Set in a vibrant fantasy realm, the story follows characters navigating their everyday lives while encountering enchanting creatures and magical challenges.

As they embark on their journeys, humor and lighthearted moments abound, showcasing the camaraderie and growth that comes from their extraordinary experiences. With an engaging mix of fantasy elements and comedic interactions, this collaboration invites viewers to explore a world where the unexpected becomes the norm and friendship shines brightly amidst the adventures.

Otaku Consensus

Genjitsu no Rimuru lands as a sanctioned novelty rather than a hidden essential: MAL’s 5.81 and AniList’s 56 reflect a fanbase that appreciates the cleaner-than-usual picture-drama art and brisk chibi parody timing, but rarely ranks it beside either parent franchise. Its best asset is format discipline — two episodes, recognizable voices, and a surprisingly staffed sound package — while the common complaint is that it offers none of the world-building, character growth, or diplomatic escalation that make Tensura a 7+/10-to-5/5 favorite among many isekai viewers.

Why You Should Watch

Watch this if you want crossover payoff without committing to another long isekai arc. Genjitsu no Rimuru is a two-episode, chibi-format curiosity aimed at viewers who already recognize the Yohane-side cast and Tensura faces like Benimaru; the pleasure is seeing franchise identities compressed into quick parody beats rather than watching a new mythology unfold. It scratches the same side-dish itch as Isekai Quartet, but with the warmer, less combative energy associated with Slime’s fandom reputation for diplomacy, community-building, and easygoing humor. The best audience is the collector-completionist: someone who likes official franchise ephemera, seiyuu-driven banter, and miniature productions where sound gags and cute redraws carry the experience. If you need the political systems, slow settlement growth, or full-adventure pacing that make TenSura beloved, treat this as a bonus short, not a substitute.

Key Characters

B
Benimaru(VA: Makoto Furukawa)
Benimaru brings the Tensura side’s battle-commander aura into a format that shrinks him into chibi comedy without erasing his straight-man presence.
H
Hanamaru Kunikida(VA: Kanako Takatsuki)
Hanamaru Kunikida gives the Yohane ensemble a gentle comic counterweight, with Kanako Takatsuki’s familiar voice presence anchoring the crossover’s softer rhythm.
D
Dia Kurosawa(VA: Arisa Komiya)
Dia Kurosawa’s formal bearing makes her a natural parody engine when the short pushes polished franchise composure into fantasy-crossover absurdity.
R
Ruby Kurosawa(VA: Ai Furihata)
Ruby Kurosawa stands out as the softer half of the Kurosawa pairing, letting the miniature format play her reactions against Dia’s sharper composure.

What Makes It Stand Out

1
The entire project is only two episodes long, which makes it structurally closer to a franchise bonus sketch than a conventional TV anime season. That brevity is central to both its appeal and its low-score reception.
2
AQUA ARIS handles a release that AniList users overwhelmingly identify as both Crossover and Chibi at 84%, so the visual identity is built around super-deformed franchise recognition rather than action spectacle.
3
The credits explicitly bridge both source lineages: Hajime Yatate is credited for Genjitsu no Yohane, while Fuse and Mitz Vah connect the project to Tensei Shitara Slime Datta Ken’s story and character-design foundation.
4
The sound department is unusually detailed for such a small release, listing Jin Aketagawa and Yuuichi Morita as sound directors, Yasumasa Koyama and Maki Takuma for sound effects, and Sayaka Mizuno for music selection.
5
Its database footprint marks it as a niche extra: 2,106 MAL votes, a 5.81 score, rank #11446, popularity #7265, AniList score 56/100, and only 23 AniList favourites.

Fun Facts & Trivia

Fun fact 1: AniList’s tag spread says a lot about how viewers classify it: Crossover and Chibi lead at 84%, Fairy and Parody sit at 79%, while Isekai is lower at 60%, making the format gag more prominent than the genre label.
Fun fact 2: Junichirou Okumura handled the script, a key role for a two-episode project that has to make two separate franchise vocabularies readable almost instantly.
Fun fact 3: Despite being categorized as Comedy, Fantasy, and Isekai, the database research lists no formal themes, which fits its identity as a compact crossover short rather than a thematically driven side story.
Fun fact 4: The listed cast pairs Benimaru with Makoto Furukawa and the Yohane-side leads with Kanako Takatsuki, Arisa Komiya, Ai Furihata, and Nanaka Suwa, making the short function heavily on familiar seiyuu recognition.
Fun fact 5: One MAL user review explicitly compares it to Code Geass picture dramas and still credits it with far better art than typical examples, which is a useful lens for understanding the 5/10 mixed reaction.