[Mario Bros] Princess Peach and Princess Rosalina are relaxing after a kart race in their jumpsuits. The mature Rosalina takes advantage of Peach's naivete to grope and toy with Peach.
[Street Fighter] R. Mika's partner, Nadeshiko, is revealed to be a futa, and she often can't fight because she gets too hard to perform. To deal with this, Mika helps her to relax before a match by thoroughly satifying Nadeshiko's futa cock.
[Mortal Kombat X] Futa Mileena captures her "sister", Kitana, and violently rapes her over a period of weeks, with the help of the horse-like Motaro, until Kitana ends up a completely mind-broken slave.
[Pokemon] Team Rocket steals a device that allows someone to transfer their mind into the body of a pokemon. Jessie makes James test it out, but rather than test it with one of his own pokemon he transfers his mind into Jessie's Arbok... however, she then unkowingly brings him along for some "special training".
[Shantae] Shantae secretly meets the pirate Risky Boots on a secluded island for a round of passionate, angry sex. However, neither of them realize Shantae's friend Sky is watching them the whole time...
[Fallout] A vault dweller gets out of Vault 34, but very quickly she comes in contact with radioactive material that causes her to mutate, growing larger and curvier, as well as growing a large futa cock. The rest of the short story would be quick vignettes showing the sexual adventures she has in the wastes.
[DC Comics] Catwoman finds herself living with Harley Quinn and Poison Ivy, though she's caught off guard when he finds the two of them in a lesbian relationship, which they quickly rope her into.
[various] Ivy from Soul Calibur teams up with Bayonetta in an attempt to defeat the mighty M. Bison. Their plan involves not simply defeating him in combat, but also draining his "essence" to steal away his Psycho Power.
[original] A ditzy blonde mother is tricked by her shota-looking son into having sex with him, by making her think it's all just a form of Sex Ed.
[Tarzan] A female version of Tarzan (Tarzana), meets Jane, and proceeds to explore her body