It is important to clarify upfront that the search query appears to combine elements from multiple distinct sources: a popular adult visual novel ( My Mom's Best Friend ), a version identifier ( v10 ), a developer or platform name ( Foxicube ), and a generic term ( games upd – likely meaning "update").
After extensive research across legitimate game databases (Steam, Itch.io, Patreon), adult game aggregators, and developer archives, exists under the exact title "My Mom's Best Friend v10 by Foxicube." my+moms+bestfriend+v10+foxicube+games+upd