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Ruri Rocks (TV)

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Alternative title:
Introduction to Mineralogy
Ruri no Hōseki (Japanese)
瑠璃の宝石 (Japanese)
Objectionable content: Mild
Plot Summary: High school student Ruri is a girl who loves minerals and jewelry. One day, she meets mineralogy graduate student Nagi who pulls her into the world of mineralogy. (from manga)
Watch Ruri Rocks on:CrunchyrollCrunchyroll
Running time: 23 minutes
Vintage: 2025-07-06
Opening Theme:
"Hikari no Sumika" (光のすみか) by Rei Yasuda
Ending Theme:
"Sapphire" by Hana Hope
Reviews: Show:
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Japanese staff
Japanese cast
Director: Shingo Fujii
Series Composition: Michiko Yokote
Storyboard: Hero (OP)
Episode Director: Miton (ep 5)
Unit Director:
Hero (OP)
Yoshiyuki Takei (ED) 
Original creator: Keiichirō Shibuya
Character Design: Mayu Fujii
Art Director: Shunichirō Yoshihara
Chief Animation Director:
Kazuhiro Ōta
Mayu Fujii (eps 2-6)
Animation Director:
Ayumi Ninomiya (eps 3, 6)
Mayu Fujii (OP; ep 1)
Sound Director: Kōhei Yoshida
Director of Photography: Takuya Ogata
2nd Key Animation:
Aika Takada (ep 9)
Akari Kaga (ep 6)
Akihiro Wakuda (eps 3, 5)
Mito Omote (ep 6)
Namiko Sasaki (eps 1-3)
Naoto Enokida (eps 1-2, 4, 6)
Nozomi Kitaoka (eps 1, 4-5)
Sakuya (eps 1, 3, 5)
Animation Production Producer: Toshiya Ōtomo
Art Setting: Kazushi Fujii
Assistant Director: Yasuhiko Akiyama
Assistant producer:
Aika Kanda
Kyōka Hashimoto
Associate producer: Yuichi Tada
Color Check: Makiko Doi (OP; ep 1)
Color Coordination: Makiko Doi (OP; ep 1)
Color design: Makiko Doi
Design Production: Shōgo Katō
Distribution Licensing: Kaede Katō
Editing: Yūji Oka
In-Between Animation:
Akari Takeuchi (Studio Bind; OP)
Daiki Sawada (Studio Bind; OP; eps 3-4, 6)
Kitsuhira Maeda (Studio Bind; OP; eps 5-6)
Kiwami Noguchi (OP; ep 1)
Kota Kawabata (Studio Bind; OP; eps 5-6)
Mana Fukumoto (Studio Bind; OP; ep 6)
Mito Omote (Studio Bind; OP; ep 5)
Naoto Enokida (Studio Bind; ep 6)
Sara Wallanowitz (Shin-Ei Animation Kobe Studio; ep 4)
Serika Tahira (Studio Bind; OP; eps 5-6)
Shiori Uratsuka (OP)
Tao Atoyama (OP; eps 1, 4)
Yūri Kai (OP; ep 3)
Yusuke Kamiya (OP)
In-Between Check:
Tao Atoyama (OP; eps 1, 4)
Yūri Kai (eps 3, 6)
Key Animation:
Aika Takada (OP; eps 1-6)
Akari Kaga (OP; eps 1, 5)
Akihiro Wakuda (OP; eps 1-2, 4, 6)
Anzu Nakai (OP; eps 1-2, 5)
Ayumi Ninomiya (OP; eps 1-3, 5-6)
Daiki Matsui (OP; eps 1-3, 5-6)
dino (OP)
Hakoware (OP)
Hero (OP; ep 6)
jeanpanzie (OP)
Kiyoshika (OP)
Miton (OP)
Namiko Sasaki (OP)
Naoto Enokida (OP; eps 3, 6)
Nozomi Kitaoka (OP; eps 2-3, 6)
Proro (OP)
Sakuya (OP; eps 2, 4, 6)
tim_yrt (OP)
Yuka Yoshikawa (OP)
Yūri Kai (ep 3)
Yūsuke Sasaki (OP; eps 1-2, 4)
Mineral Animation Director: cluseller (OP; eps 1-6)
Mineral Design: cluseller
Mineral Special Effects: cluseller (OP; eps 1-5)
Mixing Assistant: Yosuke Maki
Music producer: Shinji Yamauchi
Original Work Assistant:
Hayato Shimizu (Haruta Editorial Dept.)
Kohei Asai (Haruta Editorial Dept.)
Tatsuya Shiode (Haruta Editorial Dept.)
Original Work Publicity:
Hidemi Sanpei
Takayuki Asakawa
Overseas Licensing:
Kumiko Honma
Toshiro Fujiwara
Paint: Satoshi Inoue (井上聡; OP; ep 4) 
Production Desk: Ryūsuke Okamoto
Publicity:
Risa Fukuzawa
Yūki Saitō (齋藤祐希)
Publicity Producer: Marie Ogino
PV Production:
Miki Jinbo (Taiyo Kogeisha)
Yoshiaki Shōji (Taiyo Kogeisha)
Sales Promotion: Shiori Kondō
Sound Effects: Takuya Hasegawa
Sound Mixing: Naomi Fujita
Sound Production Manager: Miyuki Yoshizawa
Theme Song Arrangement:
Kengo Minamida (OP)
Kenji Tamai (OP)
Masanori Takumi (ED)
Theme Song Composition:
Kengo Ohama (OP)
Masanori Takumi (ED)
Theme Song Lyrics:
Mion Yano (ED)
Rei Yasuda (OP)
Theme Song Performance:
Hana Hope (ED)
Rei Yasuda (OP)
TP Correction:
Ayumi Ninomiya (ep 6)
Naoto Enokida (ep 4)
TP Retouch: Yūri Kai (ep 6)
Web Promotion: Kōji Uetsuji
Asami Seto as Nagi Arato
Miyari Nemoto as Ruri Tanigawa

Misuzu Yamada as Aoi Kasamaru
Momoka Terasawa as Maika Iwayama
Saki Hayashi as Shōko Seto
Yume Miyamoto as Yōko Imari

Akira Koga as Announcer (ep 5)
Chiyuri Ito as Library Announcement (ep 9)
Daiki Koketsu as Engineer (ep 10)
Hana Takeda as Seto's Mother (ep 7)
Hina Natsume as Nursery Teacher (ep 7)
Maria Abo as Dam Disaster Prevention Broadcast (ep 9)
Megumi Toyoguchi as Ruri's Mother (ep 1)
Nobuaki Kanemitsu as Announcer (ep 2)
Saki Hayashi as Chibi Seiryu (ep 6)
Shinji Kawada as Seto's Father (ep 7)
Takamasa Mogi as Seiryu (ep 6)
Takurou Suzuki as Military Police (ep 10)
Volcano Ōta as Track Maintenance Worker (ep 10)
Japanese companies
2nd Key Animation:
A-1 Pictures (ep 2)
A-1 Pictures Fukuoka Studio (eps 3, 5, 7)
A-Real (ep 5)
Asahi Production (eps 2, 5)
AtoriE (ep 7)
Bandai Namco Filmworks (ep 7)
Bandai Namco Pictures (ep 7)
C2C (ep 5)
Dōga Kōbō (eps 2-3)
Drive (ep 5)
PINE JAM (eps 2, 4-5, 7)
ROLL2 (ep 2)
studio daisy (ep 7)
Studio Lings (ep 5)
SynergySP (ep 5)
TROYCA (ep 7)
WHITE FOX Izukōgen Studio (ep 5)
Wit Studio (ep 7)
xenron (ep 5)
Yokohama Animation Lab (ep 5)
ZEXCS (eps 5, 7)
Animation Production: Studio Bind
Background Art: Bihou, Inc. (OP; uncredited eps 1-11)
Finish Animation:
01 (ep 7)
A-1 Pictures (eps 1, 3)
A-Real (eps 5-7)
Akatsuki & Phoenix Animation Holdings (ep 6)
ENGI (OP; eps 4-5)
FAI (eps 2-7)
GIANTY (ep 4)
Grain (OP; eps 1-3, 5)
Iris Media (ep 6)
MAA Mopics (ep 7)
Makria (OP; ep 7)
Seven Seas (ep 2)
Shanghai Honghuang Art (ep 6)
Shanghai Phantom (OP; ep 6)
Studio BUS (ep 6)
Studio Elle (ep 2)
Studio Lings (ep 1)
Studio Targe (ep 5)
xenron (ep 1)
In-Between Animation:
01 (ep 7)
8 bit (ep 1)
A-1 Pictures (eps 1, 4-5)
A-1 Pictures Fukuoka Studio (eps 1, 4)
A-Real (ep 5)
Akatsuki & Phoenix Animation Holdings (ep 6)
Asahi Production (eps 1, 4)
AXsiZ (eps 3-4)
Bandai Namco Filmworks (ep 7)
C2C (ep 4)
diomedéa (ep 5)
ENGI (OP; eps 3-5)
FAI (eps 2-5, 7)
Gallop (eps 3-5)
GIANTY (ep 4)
Grain (OP; eps 1-5)
Iris Media (ep 6)
Lapin Track (ep 1)
lolroute (ep 4)
MAA Mopics (ep 7)
Makaria (OP; ep 7)
MAPPA (ep 5)
NUT (eps 1, 3-4)
OLM (ep 1)
P.A. Works (eps 5-6)
PINE JAM (eps 3-4, 7)
project No.9 (ep 5)
Seven Seas (ep 2)
Shanghai Honghuang Art (ep 6)
Shanghai Phantom (OP; ep 6)
Shin-Ei Animation Kobe Studio (ep 4)
Signal.MD (ep 1)
SILVER LINK. (ep 1)
St.Signpost (ep 7)
Studio Bind (OP; eps 3-7)
Studio Lings (ep 1)
Studio PaTHoS (eps 2, 4)
TNK (ep 1)
Trigger (eps 1, 4-5, 7)
Wit Studio (eps 1, 3)
xenron (ep 1)
ZEXCS (ep 4)
Key Animation:
CygamesPictures (ep 6)
EMT Squared (ep 4)
Photography:
A-1 Pictures
MADBOX
Production: EGG FIRM
Sound Production: Bit Grooove Promotion
special effects: MADBOX
English staff
English companies
(none)
Internet Streaming: Crunchyroll
English cast
(none)

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