by The official synopsis, preview images, and broadcast details for Episode 5 of the Summer 2026 anime Reiwa no Darasan have been released. Titled “The Lineage of the Mountain Guardians,” the upcoming episode combines the series’ signature supernatural comedy with emotional family drama, as Dara-san is invited to Hinata’s birthday celebration while long-buried secrets surrounding the Mitsukidani family begin to surface.
Following the lighthearted adventures of the previous episodes, Episode 5 appears to shift the story toward its deeper mythology, offering fans new clues about the mysterious forbidden mountain and the tragic history connected to Dara-san.
What Is Reiwa no Darasan?
Reiwa no Darasan is a supernatural comedy anime based on the manga by Haruomi Tomotsuka, serialized on Kadokomi and Nico Nico Manga. Blending Japanese folklore, slice-of-life comedy, family relationships, and heartfelt drama, the series has become one of the most distinctive supernatural anime of the Summer 2026 season.
The anime is directed by Rihito Suzuki, with animation produced by Asahi Production, known for delivering expressive comedy and emotionally rich storytelling.
Unlike traditional horror anime, Reiwa no Darasan focuses on the unexpected friendship between humans and a legendary supernatural being, creating a refreshing mix of comedy, mystery, and emotional moments.
Episode 5: “The Lineage of the Mountain Guardians” – Official Synopsis
Hinata’s birthday finally arrives, and Dara-san receives an invitation to celebrate with the Mitsukidani family.
Although initially hesitant, Dara-san is persuaded by Kaoru to visit the family’s home and join the festivities. However, what begins as a cheerful birthday celebration soon takes an unexpected turn when a mysterious visitor suddenly appears.
At the same time, Hinata and Kaoru continue investigating the legend surrounding Yamatagi Madara. After hearing from Hyogo that the siblings have been asking questions about the ancient mountain guardian, their mother Chiyo is reminded of her own childhood experience entering the forbidden area many years ago.
Her memories may finally reveal hidden truths about the cursed mountain, the origins of the Mitsukidani family, and Dara-san’s connection to the mysterious land they have protected for generations.
A Birthday Celebration Filled with Mystery
Although Episode 5 begins with a warm family gathering, the preview suggests that the birthday party quickly becomes the backdrop for major story developments.
Fans can expect:
- Heartwarming interactions between Dara-san and the Mitsukidani family.
- More hilarious comedy from Hinata and Kaoru’s unpredictable personalities.
- The arrival of a mysterious guest who may know more about the forbidden mountain.
- Emotional flashbacks involving Chiyo’s past.
- New clues about the true history of Yamatagi Madara.
The episode appears to balance comedy with serious world-building, continuing the show’s unique storytelling style.
The Story So Far
The series begins when siblings Hinata Mitsukidani and Kaoru Mitsukidani, members of a family that has protected a sacred mountain for generations, ignore strict warnings and enter a forbidden area during a stormy night.
There they encounter Yamatagi Madara, an ancient serpent-like cursed deity feared by everyone in the region.
Rather than running away in fear, the siblings casually nickname him “Dara-san” and quickly become attached to him.
Unable to escape their endless curiosity and chaotic personalities, Dara-san reluctantly becomes part of their everyday lives, resulting in a hilarious supernatural comedy filled with bizarre situations, heartfelt friendships, and gradually unfolding mysteries.
As the story progresses, viewers also learn that Dara-san carries a painful past, making him far more than just a comedic character.
Episode 5 May Reveal the Mitsukidani Family’s Hidden History
One of the biggest highlights of Episode 5 is Chiyo’s flashback.
Until now, the anime has only hinted at the family’s long history of guarding the sacred mountain. However, Chiyo’s memories of entering the forbidden area suggest that the truth behind the mountain’s curse may finally begin to emerge.
These revelations could answer several long-standing questions, including:
- Why is the mountain considered forbidden?
- What happened in Chiyo’s past?
- Who exactly is Yamatagi Madara?
- How is Dara-san connected to the Mitsukidani family?
These mysteries have been slowly building since the series premiere, making Episode 5 an important chapter in the overall story.
Why Fans Are Enjoying Reiwa no Darasan
The anime stands out by successfully blending several genres into one entertaining package.
Its biggest strengths include:
- Japanese folklore inspired by traditional yokai legends.
- Fast-paced comedy and clever character interactions.
- Emotional family moments.
- Gradually expanding supernatural mysteries.
- Beautiful rural mountain settings.
- Memorable voice performances.
Rather than relying solely on action or horror, the series allows its characters to drive the story, making each episode feel both humorous and emotionally rewarding.
Main Cast
The talented voice cast continues to bring the colorful characters to life.
- Mutsumi Tamura as Dara-san
- Minami Tsuda as Hinata Mitsukidani
- Momoka Terasawa as Kaoru Mitsukidani
- Aoi Koga as Shu Hatsusegawa
- Tomokazu Sugita as Naomichi Fudeki
- Mai Aizawa as Miwa Isobe
- Saori Hayami as the Elder Shrine Maiden
- Hōchū Ōtsuka as Orochi
- Masaki Terasoma as the Narrator
The chemistry between the cast has become one of the anime’s biggest highlights, particularly the humorous exchanges between Dara-san and the mischievous siblings.
Production Staff
The anime is produced by an experienced creative team.
Original Work: Haruomi Tomotsuka (Reiwa no Darasan)
Director: Rihito Suzuki
Series Composition: Noboru Kimura, Yasutomo Yamada
Character Design: Koichi Kikuta
Costume Design: Yoshiko Takemoto, Yui Ushinohama, Ririka Yamazaki
Supernatural Creature Design: Ryuji Watari, Yuma Mihara
Prop Design: Rie Ikegami
Color Design: Hayato Yoshida
Art Direction: Yukiko Maruyama, Teruko Takekoshi
Art Studio: Atelier Musa
Director of Photography: He Wenxin
Editing: Ami Ishii
Sound Director: Kazuki Kuwahara
Music: Rei Ishizuka
Music Production: Lantis
Animation Studio: Asahi Production
Theme Songs
The music perfectly complements the anime’s blend of supernatural mystery and lighthearted comedy.
Opening Theme: “Dara Dara Dancing”
Ending Theme: “Hinata Bokko” performed by REIRIE
Both songs have been praised for matching the show’s cheerful yet mysterious atmosphere.
Broadcast Schedule
Television
- TOKYO MX — Every Thursday at 10:30 PM
- Kansai TV — Every Thursday at 1:45 AM
- BS Nippon TV — Every Thursday at 11:00 PM
- AT-X — Every Thursday at 9:30 PM
- Repeat: Monday 9:30 AM
- Repeat: Wednesday 3:30 PM
Streaming Platforms
The anime streams early every Thursday beginning at 10:00 PM on:
- ABEMA
- d Anime Store
It is also available on:
- Prime Video
- DMM TV
- U-NEXT
- Hulu
- Disney+
- FOD
- Lemino
- TELASA
- TVer
- AnimeFesta
- Bandai Channel
- Nico Nico
- J: COM STREAM
- milplus
- Anime Hodai
- Kantele Doga
- HAPPY! Video
- MovieFull Plus
Streaming schedules may vary depending on the platform.
Final Thoughts
Episode 5 of Reiwa no Darasan, “The Lineage of the Mountain Guardians,” looks set to be one of the series’ most important episodes so far. While fans can enjoy Dara-san’s awkward attempts to fit into Hinata’s birthday celebration, the episode also promises meaningful revelations about the Mitsukidani family’s history and the mysterious legend of Yamatagi Madara.
With its unique combination of supernatural folklore, laugh-out-loud comedy, touching family moments, and expanding mystery, Reiwa no Darasan continues to establish itself as one of the standout anime of the Summer 2026 season. Whether you’re already following the series or looking for a fresh supernatural comedy with emotional depth, Episode 5 is shaping up to be an installment you won’t want to miss.
