Akumade futari wa Business desu

The manga centers on Hano, an absurdly powerful high school girl, and her relationship with Ryuuko, a popular video content creator. When Hano becomes involved in a certain incident where he has to pay Ryuuko money, Ryuuko instead gets her to help him film a video project, which turns out to be a video channel where Hano pretends to be his girlfriend. While Hano is nervous about his request, Ryuuko assures her that it's all strictly business.