Alguna vez has experimentado alguna cosa que te a hecho vomitar de asco mientras un grupo de gente que no conocías se lleva a tu difunta familia y se los devora...pues yo si mi nombre es Son Goten y soy el último miembro de la familia Son que sigue vivo y ahora soy un cazador de demonios.

This has teen Goku from the start of Kami's training. Start of Kimetsu no Yaiba. Multiple OC's. After the final selection Tanjiro & Goku have switched bodies. Can they reach theirs goals of getting back into their own bodies & turn Nezuko back into a human & defeat the demons that turned Nezuko & swapped their bodies. Story is also on Wattpad. Ch 8 out. Warning spoilers.

Carokia, a adventure seeking Saiyan sets out on what her pride told was a simple adventure. Go to Earth, find a Demon and fight it before coming home. How wrong she was... and her closest friends pay the price for the low class warrior's mistake. Now she has to atone in a self imposed exile, as she hunts them down as death is far better then this curse.