Aori-kei Game Haishinsha (Hatachi), Haishin no Kiriwasure ni Yori Ii Hito Bare suru.

Synopsis

"What happened today is a secret between us, okay?" Haruto Nakayama is a gaming commentator known for his toxicity as the streamer "Oni-chan," After finishing his usual streaming session, Haruto accidentally forgot to end the stream. As a result, his secret life as a streamer working to support his younger sister's education and living expenses is exposed. Furthermore, it's also revealed that he meticulously prepares scripts to provoke others, all while being, in reality, a genuinely nice person! To make matters more complicated, during a livestream by the popular VTuber and professional gamer, Ayaya (aka Aya Shirayuki), Haruto unintentionally reveals his true personality once again. Unexpectedly, this led to them growing closer to each other as they continued to play games and go on outings together. Thus begins a one-on-one romantic comedy between the business-minded toxic streamer and the popular VTuber heroine! (Source: Overlap, translated)