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Chill With You: Lo-Fi Story Sponsors Nijisanji's Mugi Ienaga Study Streams

The sponsorship marks a rare direct brand integration into a VTuber's study stream, a format that has grown in popularity but typically lacks commercial support beyond viewer donations.

Key Facts

  • Nestopi announced on June 1 that its game 'Chill with You: Lo-Fi Story' will sponsor Nijisanji VTuber Mugi Ienaga's 'Study with me' streams for June 2026.
  • The sponsorship is the first of its kind for a Nijisanji VTuber's study stream, with no advertisements interrupting the session.
  • Mugi Ienaga debuted as a Nijisanji VTuber in March 2018 and now operates as a 22-year-old university student.
  • 'Chill with You: Lo-Fi Story' has over 9,600 reviews on Steam with a 98% positive rating.
  • Nestopi released a free update titled 'Satone's Change of Clothes' adding spring and summer outfits, with a vote for the next outfit beginning June 2.

Reporting from 6 sources: 4Gamer.net, Denfaminicogamer, KAI-YOU, Game Spark, and 2 more.

Chill With You: Lo-Fi Story Sponsors Nijisanji's Mugi Ienaga Study Streams

Nestopi announced on June 1 that its productivity adventure game "Chill with You: Lo-Fi Story" will sponsor the "Study with me" streams of Nijisanji VTuber Mugi Ienaga for the month of June 2026. The sponsorship is the first of its kind for a Nijisanji VTuber's study stream. Ienaga's stream format will remain unchanged, with no advertisements interrupting the study session; instead, the game's Lo-Fi BGM will play during opening and ending segments, and a sponsor credit will appear in subtitles. Ienaga said she wanted to expand the horizons of VTubers in a way she can. Alongside the sponsorship announcement, Nestopi released a free update titled "Satone's Change of Clothes" for the game, adding spring and summer outfits to the closet of the literary girl Satone. She will change clothes daily based on her mood. A 25% discount on the Steam version (900 yen) and a 20% discount on the mobile version (960 yen) are active until mid-June. A vote for the next outfit to implement begins June 2. New merchandise including stickers, acrylic keychains, and desk mats went on sale at POP @P SPACE -AKIHABARA- on May 30.

Mugi Ienaga debuted as a Nijisanji VTuber in March 2018, when she was a third-year junior high school student. She now operates as a 22-year-old university student. Her study streams have become her signature format, with viewers joining her for focused work sessions.

Ienaga described the sponsorship as a way to "expand the horizons of VTubers in a way that I can." The game's Lo-Fi BGM will play during the opening and ending segments of her streams, and a sponsor credit will appear in the subtitles. No advertisements will interrupt the study session itself.

"Chill with You: Lo-Fi Story" has received over 9,600 reviews on Steam with a 98% positive rating, earning an "Overwhelmingly Positive" designation. The game is developed by Nestopi, an indie developer based in Asakusabashi, Japan, that works in teams of three to ten people. Nestopi previously released titles including "Uncrown," which won TOP20 and the Toho Award at Google Play Indie Games Festival 2020.

Alongside the sponsorship, the free "Satone's Change of Clothes" update adds spring and summer outfits to Satone's closet. She will change clothes daily based on her mood. A vote for the next outfit to implement begins June 2 on official social media. New merchandise including stickers, acrylic keychains, bromide prints, desk mats, and tapestries went on sale at POP @P SPACE -AKIHABARA- on May 30, with half using newly drawn illustrations.

Synthesized by Yomimono from the 6 cited sources below, including Japanese-language reporting where cited, then editorially reviewed before publishing.

Chill with You : Lo-Fi Story Mugi Ienaga

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