BL Metamorphosis (2022)

BL Metamorphosis is based on the bl manga world and its lovers whearas fujoshi..s 2ndoray character is a fujoshi

Also tackles an unexpected friendship between an old woman and a teen girl. If you're into this kind of story, make sure to try this one.

The atmosphere and storyline of both is pretty different, but what is similar is that we see two women bonding over, in one, their love for BL manga and in the other, their passion as fujoshis.
Both of them do not exactly consist of gay/BL romance but feature main characters who are fans of the BL genre.