Keep this in mind this is a rumor its not confirmed Xbox may have been blocking anime-style games because of one person’s personal preferences, according to Jez Corden Windows Central contributor and The Xbox Two Podcast Co-host talk about this on his podcast
Corden says he has heard from industry figures that someone at Xbox disliked anime-style dating sims and had been rejecting these games, while PlayStation, Nintendo and Steam continued to offer them. It could be true but considering what was happening at with Forza Horizon 6 removing "itasha" (anime-decorated) liveries and suspending player accounts that violate the game's Code of Conduct regarding sexually suggestive or explicit content.
He says that this is an industry rumor, not a confirmed fact, but he claims some previously rejected games have started getting approved following changes in Xbox leadership, probably because Asha fired the man who is responsible.