Saeki Ittetsu is among the eight Nijisanji Livers included in Standard Goods Vol.9, whose orders open September 25, 2026 and close September 30. He is also one of four Nijisanji VTubers providing relay commentary for the Street Fighter USA anime, covering episodes 20-26 in the September 17 to October 8, 2026 run.
Saeki Ittetsu appears in two separate Nijisanji projects, both with September 2026 dates. In the earlier announcement, from July 27, he is one of four Nijisanji VTubers tapped to provide relay commentary for the anime Street Fighter USA on Nico Nico Live. The program runs September 17 to October 8, 2026, every Thursday at 20:00, with each participant covering a block of episodes. Saeki handles episodes 20-26, the final stretch. The other commentators are Hyakumantenbara Salome (episodes 1-7), Kuzuha (episodes 8-13), and Iha Rai (episodes 14-19). All four are described as players of Street Fighter 6, and the broadcast will show the anime footage alongside the VTubers' reactions on one screen. The participants will watch the series without prior viewing or information.
The second project is merchandise. ANYCOLOR will open orders for Nijisanji Standard Goods Vol.9 on the Nijisanji Official Store from 18:00 on Friday, September 25, 2026. The lineup has eight Livers: Saeki Ittetsu, Akagi Wen, Usami Rito, Hihachi Mana, Hoshirube Sho, Murakumo Kagetsu, Koyanagi Rou, and Inami Rai of MECHATU-A. Two product types are offered: an acrylic stand at 2,800 yen and random cheki-style cards at 350 yen. The order window closes September 30, a deadline set so buyers can receive items by the MECHATU-A 1st LIVE "Over Drive!" performance day.
The two stories do not overlap in content. One places Saeki in a broadcast event tied to a 1990s Street Fighter anime; the other places him in a merchandise run for the group MECHATU-A. Both are dated September 2026. The commentary program begins September 17, the goods orders open September 25 and close September 30, and the commentary run ends October 8.
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ANYCOLOR will start selling Nijisanji "Standard Goods Vol.9" from 18:00 on Friday, September 25, 2026 on the Nijisanji Official Store. The lineup covers eight Livers: Saiki Ittetsu, Akagi Wen, Usami Rito, Hihachi Mana, Hoshirube Sho, Murakumo Kagetsu, Koyanagi Rou, and Inami Rai of MECHATU-A. Two product types are offered: an acrylic stand at 2,800 yen and random cheki-style cards at 350 yen.
Dwango announced on July 27 that four Nijisanji VTubers will host a four-week relay live commentary for the TV anime Street Fighter USA on Nico Nico Live. The program, titled 'Nijisanji × Anime Street Fighter USA All 26 Episodes Relay Live Commentary,' runs from September 17 to October 8, 2026, every Thursday at 20:00. The participants are Hyakumantenbara Salome (episodes 1-7), Kuzuha (episodes 8-13), Iha Rai (episodes 14-19), and Saeki Ittetsu (episodes 20-26). All four are known for playing Street Fighter 6, with Kuzuha reaching Ultimate Master rank and Iha Rai at High Master. Street Fighter USA aired in the US in the 1990s and was long considered a 'phantom title' in Japan because it was never broadcast or released on home video there; it became available on streaming services in 2021. The VTubers will watch the series fresh, without prior viewing or information. The broadcast will show the anime footage alongside the VTubers' reactions on one screen. A follow-and-repost campaign on the Nico Nico VTuber official X account offers prizes. Kuzuha commented that he wants to learn character matchups by watching the anime to raise his rank.