JOCHUM (ジェオチャム)

1. What Is JOCHUM?

JOCHUM (ジェオチャム) is an official 11-member Sanrio character group developed in close collaboration with the popular 11-member Japanese global boy band JO1. Introduced to the public in 2022, JOCHUM is not a single mascot, but an integrated creative property centered on eleven unique characters living together under one roof in a shared house.

Each of the eleven characters was personally designed and conceptualized by an individual JO1 member in partnership with Sanrio's veteran character designers. Together, they represent a heartwarming narrative of friendship, shared domestic life, artistic ambition, and mutual support as each resident works tirelessly to fulfill their personal dream.

2. Official Name & Japanese Styling

The group's canonical name is styled in capital letters as JOCHUM, and written in Japanese katakana as ジェオチャム. In database indexes and search systems, the title-case variant Jochum is frequently indexed, but official Sanrio brand guidelines specify all-caps typography for promotional materials, album covers, and television broadcasts.

3. What Does JOCHUM Mean? (JO + CHUM)

The name JOCHUM is an intentional compound portmanteau embodying the spirit of the project:

• JO: Taken directly from the name of the collaborative group JO1.
• CHUM: An English word meaning companion, close friend, or roommate.

Together, JOCHUM translates conceptually to "JO1's cherished companions sharing a home." This etymology reflects both the real-world connection between the idols and their creations, and the fictional camaraderie of the eleven characters living as housemates.

4. The JO1 × Sanrio New Character Development Project

Announced in mid-2022, the JO1 × Sanrio New Character Development Project documented the collaborative creative process through a multi-part behind-the-scenes video series on YouTube. Across extensive workshops, all eleven JO1 members drew initial concept sketches, selected color palettes, refined anatomical silhouettes with Sanrio illustrators, and authored detailed backstories, personality quirks, and personal dreams for their respective characters.

The project culminated in official copyright registration between Sanrio Company, Ltd. and LAPONE Entertainment, establishing JOCHUM as a flagship modern collaboration brand.

5. The JOCHUM Shared House: Where Dreams Come True

The core narrative world of JOCHUM revolves around a charming, slightly magical shared house. Legend has it that any resident who lives in this house will eventually see their heartfelt dreams come true. Inside, the eleven housemates navigate everyday domestic routines: cooking meals together, holding late-night living room brainstorming sessions, squabbling over chores, and supporting each other through artistic and personal setbacks.

6. Meet the 11 JOCHUM Members (Complete Directory)

Every member of JOCHUM possesses a distinct visual design, species archetype, dream, and personality. Below are the comprehensive profiles for all eleven characters:

7. Which JO1 Member Created Each JOCHUM Character?

The creative link between JO1 members and their corresponding JOCHUM characters is foundational to the property. Below is the complete official mapping:

8. The Dreams of All 11 JOCHUM Members

Dreams are the thematic driving force of the entire property. In the shared house, each resident works toward their personal ambition:

9. Member Species & Creative Entity Archetypes

Unlike single-species properties, JOCHUM encompasses a diverse ensemble of creature types: two foxes (Rain and PiHai), a Shiba Inu (MAMEchi), a penguin (Popo), a rabbit (Chimata), a royal poodle (RURU), a Chihuahua (Chulala), an Okinawan shisa guardian (Yanukami), an angel (Moco), an anthropomorphic flower (Bira), and a living microphone (Micoon).

This variety ensures that JOCHUM does not have a single monolithic species, but instead functions as a multi-species community bound by shared housing and mutual support.

10. Member Personalities & Dynamic Contrast

The interactions within the JOCHUM house thrive on humorous contrasts: Yanukami's protective seriousness balances Chimata's laid-back sushi cravings; Micoon's loud vocal scales test Popo's quiet nap sessions; MAMEchi's heroic workouts inspire Chulala's cosmic plans; and Rain's magical illusions bring a rare smile to his younger brother PiHai's poker-faced expression.

11. Member Birthdays & Calendar Celebrations

There is no single calendar birthday for JOCHUM as a group; instead, birthdays belong to individual members (for example, RURU celebrates on November 19, and Bira on July 29). The property as a whole celebrates its anniversary in late autumn, commemorating the official 2022 project announcement.

12. Rain & PiHai: The Canon Fox Brothers

One of the most emotionally significant verified relationships in JOCHUM canon is the brotherly bond between Rain and PiHai. Official character lore explicitly establishes that Rain is PiHai's older brother and PiHai is Rain's younger brother.

While Rain is extroverted, charming, and loves performing magic illusions, PiHai is introverted and keeps a poker face. In the television anime (especially Episode 22), their sibling dynamic takes center stage, highlighting how deeply the two care for each other despite their contrasting demeanors.

13. Housemates: The Core Property Relationship

The primary relationship connecting all eleven members is that of co-living housemates and companions. Sanrio documentation avoids arbitrarily assigning romantic relationships or universal best-friend pairs, emphasizing instead a collective family-like camaraderie where everyone supports one another's ambitions.

14. Family, Romance & Enemy Safeguards

• Family: Rain and PiHai are the only verified siblings in official lore. Other members do not have canonical family trees.
• Romance: There are no canonical romantic relationships, boyfriends, or girlfriends among the JOCHUM members.
• Enemies: There are no permanent canonical villains or rivals. Chulala's dream of cosmic exploration/space invasion is played for comedic charm rather than genuine antagonism.

15. What Are JOCHUM Fans Called? (CHUMILY)

The official fandom designation for JOCHUM enthusiasts is CHUMILY (チュミリー). Combining the root word CHUM with FAMILY, CHUMILY represents the warm, inclusive community of fans who support the eleven characters' dreams, attend pop-up events, and follow their television broadcasts.

16. The JOCHUM Television Anime Series

JOCHUM is the star of an official television anime series broadcast as part of Fuji TV's prestigious Saturday morning program Mezamashi Saturday (めざましどようび / Mezamashi Doyoubi).

Anime Seasons & Broadcast History

• Season 1: Premiered on July 13, 2024 as a short-form animated series (~1 minute per episode), introducing the 11 characters and their shared house life.
• Season 2: Premiered on October 4, 2025 and concluded its 24-episode broadcast run in March 2026.
• Total Episode Count: 24 Official Episodes (Episode 24 serves as the grand season finale).

Production Staff Credits

• Original Work: Sanrio Company, Ltd.
• Series Composition & Screenplay: Yoichi Kato (加藤陽一)
• Director: Hazumu Sakuta (作田ハズム)
• Animation Production: Fanworks (ファンワークス)
• Production: Sanrio × LAPONE Entertainment

Official Voice Cast Roster

17. JOCHUM Songs & Official Music

Music is an essential component of the JOCHUM universe, reflecting the boy-band heritage of JO1 and the dynamic storytelling of the anime series:

18. Digital Presence & Media Clarifications

• Digital & LINE Content: Official animated LINE sticker sets, smartphone themes, and emoji packs featuring all eleven characters.
• Social Channels: Dedicated official accounts on YouTube, X (Twitter), TikTok, and Instagram sharing character shorts and development logs.
• Theatrical Movie Clarification: There is currently no theatrical feature film for JOCHUM. All video storylines exist within the 24-episode television anime and web shorts.

19. JOCHUM in 2026: Active Collaborations & Milestones

In 2026, JOCHUM concluded its landmark Season 2 anime run and continues to expand its consumer presence across Japan. Recent commercial highlights include the major JOCHUM × TANITA collaboration featuring voice-guided body composition monitors, pop-up bakery cafes in Tokyo and Osaka, and newly expanded plush collections.

20. Official Sanrio Character Ranking History (2023–2026)

JOCHUM made one of the most explosive debuts in Sanrio Character Ranking history in 2023. Below is their complete verified annual participation record:

21. 10 Surprising & Little-Known JOCHUM Facts

1. Real Idol Creators: Each of the 11 characters was designed directly by a corresponding member of boy group JO1.
2. Portmanteau Origin: "JOCHUM" combines JO1 with "chum" (roommate/companion).
3. Fox Brothers: Rain and PiHai are officially confirmed as biological brothers in character lore.
4. Fandom Name: Fans are called "CHUMILY" (combining Chum and Family).
5. Saturday Morning Star: The TV anime aired on Fuji TV's popular Mezamashi Saturday morning broadcast.
6. Living Microphone: Micoon is one of the very few object-based musical characters in Sanrio's modern roster.
7. Dream House Premise: The house is canonically said to grant the wishes of residents who live there.
8. Debut Ranking Explosion: Reached #5 in initial day voting and finished #14 globally in 2023.
9. Thailand Top 3: Placed #3 overall in the 2023 Thailand regional ranking.
10. TANITA Voice Guidance: Featured in specialized body scale collaborations where members speak directly to users.

22. 8 Common Myths & Misconceptions Debunked

23. Visual Gallery: Official Storyboards & Moments

Explore the delightful world of JOCHUM through eight high-definition storyboards capturing shared house life, musical rehearsals, and sweet downtime:

24. Frequently Asked Questions (50 In-Depth Q&As)

Find answers to the most common questions regarding JOCHUM members, JO1 creators, TV anime, lore, and rankings:

25. Editorial Verification, Official Sources & Citations

This group profile has been verified by the SanrioCharacters.com Editorial Team against primary records:

• Sanrio Official JOCHUM Portal (Japan): Official Character Roster & Member Backstories (Sanrio Co., Ltd. & LAPONE Entertainment, 2022–2026).
• Fuji TV / Mezamashi Doyoubi: Official JOCHUM Television Anime Broadcast Records (Seasons 1 & 2, 2024–2026).
• Fanworks Animation Studio Archives: Staff & Cast Production Documentation (2024–2026).
• Sanrio Character Ranking Archives: Official 2023 Results & Regional Tallies (Sanrio Co., Ltd., 2023).
• Pony Canyon & LAPONE Music: Super☆Hapi Hapi & Anime Theme Master Registrations (2024–2026).

26. Explore More Sanrio Characters & Units

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