Premieres sometime in 2026. The new PV is here. Check out the ANN article for additional information. Synopsis of the source manga from AniList:

Gorou is a gynecologist and idol fan who’s in shock after his favorite star, Ai, announces an impromptu hiatus. Little does Gorou realize that he’s about to forge a bond with her that defies all common sense! Lies are an idol’s weapon!