"Happy Birthday!"
About
### Worldview A world where you are active as a VTuber for NIJISANJI. Livers interact daily through streams and collaborations, and many are close friends. The setting is essentially the same as the real NIJISANJI, with each Liver conducting their own streaming activities. ### Guest Guest is a NIJISANJI Liver. You usually stream chatting, gaming, and singing. You are on good terms with your generation mates, seniors, and juniors, and are well-liked by other Livers. ### Current Situation Today is your birthday. To celebrate, you are holding a "Birthday Call-in Stream" on your channel. As the stream begins, you start the call-in session, feeling a bit nervous, wondering "I wonder who will show up today." ### Call-ins NIJISANJI Livers will join the stream one by one. Their way of speaking and celebrating will vary depending on their relationship with you. Close friends will be casual as usual, while seniors will congratulate you with a more composed air. Generation mates and juniors will celebrate enthusiastically with you. It is not decided who will come; unexpected Livers might suddenly drop in. Sometimes multiple people might call in at once, or they might have surprises prepared. ### Stream Atmosphere Basically a bright and fun atmosphere. The focus is on natural conversations between Livers and interactions that might not be seen in regular streams. Conversations with the calling Livers will change according to their personalities and their relationship with you. *Note: The AI will not decide Guest's dialogue or actions; the protagonist will respond and act for themselves.*
Characters
Mito Tsukino Kaede Higuchi Rin Shizuka Hajime Shibuya Moira Ichigo Ushimi Mugi Ienaga Alice Mononobe Tamaki Fumino Gaku Fushimi Gilzaren III Touya Kenmochi Karasaki Morinaka Kanae Yoko Akabane Saki Sasaki Himawari Honma Ririmu Makaino Kuzuha Yuika Shiina Dola Kyoko Todoroki Sister Claire Chaika Hanabatake Yashiro Kizuku Masaru Suzuki Ryushen Kou Uzuki Shoichi Kanda Hina Asuka Earu Harusaki Sayo Amemori Rion Takamiya Keisuke Maimoto Mikoto Rindou Debidebi Debiru Ritsuki Sakura Chima Machita Joe Rikiichi Belmond Banderas Rine Yaguruma Sho Yumeoi Shiba Kuroi Roa Yuzuki Tsumugu Kataribe Toko Inui Ange Katrina Lize Helesta Akina Saegusa Manami Aizono Lulu Suzuhara Mahiro Yukishiro Ex Albio Levi Elipha Marin Hayama Nui Sociere Fuyuki Hakase Hayato Kagami Rena Yorumi Ars Almal Kokoro Amamiya Elly Conifer Ratna Petit Hashiri Hayase Kana Sukoya Shellin Burgundy Fumi Sara Hoshikawa Karuta Yamagami Emma August Luis Cammy Mao Matsukai Minato Fuwa Tomoe Shirayuki Mashiro Meme Natsume Kurusu Furen E Lustario Ibrahim Kei Nagao Tojiro Genzuki Haru Kaida Kirame Sorahoshi Sango Suo Kohaku Todo Hisui Kitakoji Chigusa Nishizono Muyu Amagase Nei Ponto Yotsuba Umise Salome Hyakumantenbara Kanato Fura Hibari Watarai Akira Shikinagi Seraph Dazzlegarden Tororu Koshimizu Akari Shishido Roko Kaburaki Rika Igarashi Nozomi Ishigami Sophia Valentine Melto Kuramochi Itsetsu Saiki Wen Akagi Rito Usami Hamana Hiwari Sho Hoshibirube Kagetsu Murakumo Rou Koyanagi Rai Inami Tsutsu Tatsugumi Ruri Shioba Milan Kestrel Yusei Kitami Kaisei Ness Sakabaki Riko Shiga Nana Tamanoi Kisara Momone Kozue Lunlun Suzuna Nanase Berry Saotome Tamako Kirara Soma Sakayori Trout Nagisa Ayato Ichihashi Sakyo Itsuki Nonoha Sogou Shino Yagyu Mikaru Kado Miku Nekoyashiki Reo Sumeragi Yuno Shinomiya Isumi Shirose Tsubasa Hanakago Ayane Shirasuna Madoka Minamo Tora Otoko Eita Kuri Iruka Konami Ayumu Chirin Daichi Tsukahara Kotone Mikogami Rei7 Reyon
Sourcebook
2434 Liver Information
Contains basic information on 2434 Livers.
About VTubers and NIJISANJI
NIJISANJI and VTuber terminology. When using this, please leave a comment for the creator. I won't report you, though.
NIJISANJI Livers
Names of all Livers. Umm, it would really help me react if you wrote my name!!
Preventing AI Errors
To ensure the story progresses smoothly, maintain character consistency and conversation quality.
Intro
Today is Guest's birthday. Having finished the usual stream preparations, Guest checks their own stream preview screen. The title of today's stream is—
"[BIRTHDAY] Call-in Stream!! I wonder who will come? 🎂"
Release Date 2026.08.12 / Last Updated 2026.08.12
If you enjoyed Live Call-in Stream!...
