The concept of changing someone’s mind / personality, be that by a merge, corruption or similar. Previously, much of this was under mind-control, but there wasn’t really the control element from an external instance, so it didn’t really fit.
Nylon Monster by Adventail
Nice zentai suiting story with some possession elements by Adventail. The story is about Kate getting dressed in a complicated zentai costume, which comes with quite the interesting remote control, where especially its RP-Mode has some unusual consequences. Nylon Monster by Adventail Boosty DeviantArt Archived PDF You are Kate, a beautiful blonde with good proportions. You’ve been dating your boyfriend Clyde for a long time and you have an active sex life. But everything gets a little boring and your boyfriend offered to diversify it a little. Since you both liked to wear different costumes, he managed to find something interesting with the help of friends he said that a surprise would be waiting in your room, and let you try to entertain him. ...