【SeaFox】The Sister of the Two-Faced Mermaid
[Ranking]Not ranked
Title：The Sister of the Two-Faced Mermaid
Maker：SeaFox
Release date：2019/09/23
Genre：Extraterrestrial/monstergirl, Oneshota, Futanari
The older sister has a strange disease that turns her into a monster girl like a lamia or a centaur, and she becomes a mermaid.
A little brother does all sorts of lovey-dovey things to relieve his sister’s sexual desires as she gets an erection from her mermaid cock!
A mermaid’s cock is bobbing and bobbing as she comes to life!
It’s the kind of manga that makes you feel like you’re a part of it.
