Gangster Possesses the Villain

One day, while living peacefully as a gangster, I possessed the villain who makes the protagonist's childhood miserable, the protagonist who is destined to grow into an S-class esper. After that, in order to seal a gate that will form two years later, I end up raising a child, something that was never in my fate... "Baby, let me make one thing clear: I have no intention of harming you. And of course, I won't lay a hand on you either." And after tearful efforts, my plan to seal the gate seemed to be successfully coming to an end. However, while sealing the First Gate, an unexpected accident caused me to be separated from Baby, and I ended up trapped inside the gate with monsters... Someh...