Let Me Survive on a Desert Island and Kill You Back to Give You Food and Sleep

Tang Long went to a class reunion. On the ship, the toilet exploded and flew to a desert island, whereupon he began his journey of survival. No, something is wrong. Master is here too? Still here for five years? Since the road of being kind to others is dead, and you have been harmed by others, you can't just let it go, go and go back to seek revenge on them!