Reincarnated in a depressing erotic world but living a normal life (right?)

"It was a day like any other, aside from the small detail of having died hit by a truck while looking at my phone. When I thought it was all over so abruptly, I woke up as a baby! It seems I reincarnated in a parallel world different from mine. At first I was happy, until I saw my naked mother in front of the mirror, acting vulgar like an old man?! That's when I discovered what world I had reincarnated into and how screwed I really was..."