Counterattack: the Delivery Boy Goes Through the Three Realms and Kills Indiscriminately!

He is a delivery boy with a miserable life experience He is also the chosen one Crossing the three realms, becoming the king of the three realms He can ride a mythical beast to kill in the three realms and save the world. He will also use his gaming skills at class reunions I just want to complete the show-off mission But you want him to top up money to buy skins? Impossible He is the king of the three realms! He is also the king of the Three Realms! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.