by The official synopsis and preview images for Episode 5 of the Summer 2026 anime Reiwa no Darasan, titled “The Lineage of the Mountain Guardians,” have been released ahead of its broadcast on Thursday, July 30, 2026.
After balancing supernatural comedy with heartfelt character moments throughout its first four episodes, the series is preparing for another emotional chapter. While Dara-san is invited to celebrate Hinata’s birthday, the festivities quickly take an unexpected turn as mysterious visitors arrive and long-buried secrets surrounding the Mitsukidani family’s past begin to resurface.
The newly released preview images tease both lighthearted family moments and a dramatic exploration of the mountain guardians’ history, suggesting that Episode 5 could become one of the series’ most important installments so far.
Spoiler Warning: This article contains preview information for Reiwa no Darasan Episode 5.
Episode 5 Synopsis: A Birthday Celebration Takes an Unexpected Turn
Episode 5, “The Lineage of the Mountain Guardians,” begins with Dara-san receiving an invitation to Hinata’s birthday party.
Encouraged by Kaoru, Dara-san reluctantly visits the Mitsukidani family home to celebrate the special occasion.
However, what starts as a cheerful gathering quickly changes when an unexpected guest arrives, disrupting the celebration and hinting at hidden connections to the family’s mysterious past.
At the same time, Chiyo, the mother of Hinata and Kaoru, learns from Hyogo that the siblings have been investigating Yakota Madara.
The news revives painful memories of the time she herself entered the mountain’s forbidden area years earlier, setting the stage for new revelations about the cursed land and the responsibilities carried by the Mitsukidani family for generations.
A New Mystery Surrounding the Mountain Guardians
The title “The Lineage of the Mountain Guardians” suggests that Episode 5 will delve deeper into the origins of the Mitsukidani family and their long-standing duty of protecting the mountain.
Until now, the anime has gradually hinted that the family’s relationship with the cursed land extends far beyond simple folklore.
As Chiyo reflects on her own past, viewers may finally learn more about the history of the forbidden area, the truth behind Yakota Madara, and how Dara-san became connected to the mountain.
These mysteries have been building since the beginning of the series, making Episode 5 an important turning point in the overall story.
Dara-san Continues to Steal the Spotlight
Although Dara-san is introduced as a fearsome supernatural being, he has quickly become one of the anime’s most lovable characters.
Originally feared as Yamatagimada, a giant serpent spirit with a tragic past, he unexpectedly finds himself acting as the responsible adult whenever Hinata and Kaoru’s carefree personalities create chaos.
His awkward attempts to adapt to ordinary daily life have become one of the series’ biggest comedic strengths.
The birthday party setting promises even more amusing interactions as Dara-san struggles to fit into another family event despite his supernatural origins.
From Horror to Heartwarming Comedy
One of Reiwa no Darasan’s greatest strengths is its ability to seamlessly blend supernatural folklore with slice-of-life comedy.
Rather than focusing solely on horror elements, the anime explores the humorous side of everyday life shared between humans and supernatural beings.
At the same time, the series never forgets the emotional weight carried by Dara-san and the mysterious history surrounding the cursed mountain.
Episode 5 appears ready to continue this balance, combining comedy, family drama, and supernatural mystery in equal measure.
About Reiwa no Darasan
Reiwa no Darasan is based on the manga by Tomotsuka Haruomi, serialized on Kadokomi and Nico Nico Manga.
Often described as a Reiwa-era occult comedy, the series combines Japanese folklore, supernatural creatures, family relationships, and modern humor into a unique fantasy story.
The anime adaptation is directed by Rihito Suzuki, with Asahi Production handling animation.
Since premiering in Summer 2026, the series has attracted attention for its charming characters, expressive animation, and refreshing blend of comedy and mystery.
The Story So Far
The story begins when siblings Hinata and Kaoru Mitsukidani venture into a forbidden section of the mountain their family has protected for generations.
Instead of fleeing from the terrifying giant serpent deity they encounter, the two children affectionately nickname him “Dara-san.”
Although Dara-san initially appears as a dangerous supernatural being, he soon becomes caught up in the siblings’ energetic daily lives.
Together, the unlikely trio experiences humorous adventures while slowly uncovering the mountain’s hidden history and confronting supernatural mysteries connected to Dara-san’s tragic past.
Main Cast
The anime features an impressive voice cast, including:
- Dara-san — Mutsumi Tamura
- Hinata Mitsukidani — Minami Tsuda
- Kaoru Mitsukidani — Momoka Terasawa
- Shu Hatsusegawa — Aoi Koga
- Naomichi Fudeki — Tomokazu Sugita
- Miwa Isobe — Mai Aizawa
- Older Shrine Maiden — Saori Hayami
- Orochi — Hōchū Ōtsuka
- Narrator — Masaki Terasoma
The talented cast brings both the comedy and emotional moments of the series to life, helping establish the anime’s distinctive atmosphere.
Production Staff
The anime is produced by Asahi Production with an experienced creative team.
Main Staff
- Original Work: Tomotsuka Haruomi
- Director: Rihito Suzuki
- Series Composition: Noboru Kimura & Yasutomo Yamada
- Character Design: Koichi Kikuta
- Music: Rei Ishizuka
- Sound Director: Kazuki Kuwahara
- Animation Production: Asahi Production
Theme Songs
- Opening Theme: “Dara Dara Dancing”
- Ending Theme: “Hinata Bokko” by REIRIE
Both songs have been praised by fans for perfectly matching the anime’s playful yet emotional atmosphere.
Broadcast and Streaming Information
Television Broadcast
Reiwa no Darasan airs every Thursday on:
- TOKYO MX
- Kansai TV
- BS Nippon Television
- AT-X
Episode 5 premieres on July 30, 2026.
Streaming Platforms
The anime is available on numerous streaming services, including:
- ABEMA
- d Anime Store
- Prime Video
- Hulu
- U-NEXT
- DMM TV
- Lemino
- TVer
- FOD
- AnimeFesta
- J: COM STREAM
- TELASA
- Nico Nico
- Bandai Channel
- Anime Hodai
Additional platforms continue to add new episodes following their television broadcast.
What to Expect from Episode 5
The latest preview suggests that Episode 5 will be far more than a simple birthday celebration.
While fans can expect plenty of comedic interactions between Dara-san and the Mitsukidani siblings, the episode also appears ready to reveal important details about the family’s history and the mysterious cursed mountain they have protected for generations.
Chiyo’s flashbacks, the appearance of an unexpected visitor, and the continued mystery surrounding Yakota Madara all point toward significant developments that could shape the remainder of the season.
For viewers who have enjoyed the anime’s balance of comedy, folklore, and heartfelt storytelling, Episode 5 looks set to deliver another memorable chapter.
Final Thoughts
Reiwa no Darasan continues to distinguish itself as one of Summer 2026’s most refreshing supernatural comedy anime by combining Japanese folklore, wholesome family relationships, and emotional storytelling. Episode 5, “The Lineage of the Mountain Guardians,” promises to deepen the mystery surrounding the Mitsukidani family while giving fans more charming interactions between Dara-san, Hinata, and Kaoru.
With a birthday celebration, unexpected visitors, emotional flashbacks, and new clues about the mountain’s hidden past, the upcoming episode appears to strike the perfect balance between humor and suspense. As the secrets behind the cursed land gradually unfold, viewers can look forward to another engaging chapter in Dara-san’s heartwarming and supernatural adventure.
