If I become normal and happy now then what was the point of being miserable for so long?Interesting to see how desperate he is to hold onto his old terrible self, to the point where any enjoyment he has is cut short by a self-loathing desire to concentrate on 'sex' instead of just admit that he is enjoying socialising and making friends
Ei one of my people.If I become normal and happy now then what was the point of being miserable for so long?
This is just the way I am now and forever

Yeah, maybe the story will be similar to this manga https://mangadex.org/title/fdfc9ba2-b21c-4f37-b5bf-4382f3d1318f/inside-mariNot beating the allegations that this may actually be a story about a mentally broken child, who somehow deluded herself into thinking she is an isekaid old man.
Took words straight out my mouthInteresting to see how desperate he is to hold onto his old terrible self, to the point where any enjoyment he has is cut short by a self-loathing desire to concentrate on 'sex' instead of just admit that he is enjoying socialising and making friends
The old dude from the beginning and this girl are the same person. Time was essentially rewound, Redo of a Healer style, to when MC was in high school, but he got genderswapped on the wayI'm wondering if the going back thing was really possession or if the girl's original personality was so depressed that she attempted suicide in the school and when she didn't die she had a personality reset