Monster Girls Alert - Female metal sonic as a waifu.

Monster Girl by f-sonic on DeviantArt

MGC_Day 17 Robot_18 Alien by f-sonic on DeviantArt

Negative Bored Ape #2 - B544

ImbaEnergy: Gaming Focus Support Formula Energy Drink; Brain-Boosting; Sugar Free; Peach, Grapefruit and Tropical Fruits (Waifu) : Health & Household

F/F/T3K15: Sonic - EGRainbowRocks, Part 1.5

Anime Waifu Metal Sonic (Art by ArtsSdx,Link to original in comments) : r/SonicTheHedgehog

Overpowered Heroes Battle Royale, Death Battle Fanon Wiki

Fem Neo Metal Sonic Unleashed! by Zildtek -- Fur Affinity [dot] net

Monster Girls Alert

Kill la Kill (Anime) - TV Tropes