>>718118359
because it's one of the few(if not the ONLY) erotic game that looks like it's made by some AA studio. The quality of the models is so good. Not garbage CG or models.
It's like taking hentai and giving it to a high-quality anime studio, instead of outsourcing it to low-budget animators like they did with Takamine-san. Kadokawa always assign ecchi anime to low-budget studios, which ruins them, so you can’t enjoy high-quality animation (part of the globohomo plan to fight ecchi)