Reincarnated into a magical world with a Undertale system

Drey a teenager who loves Undertale was checking out the Undertale community for interesting Undertale fangames.He found one but instead of getting to play the actual game he was given a chance to transmigrate to a magical world.He was also given a cheat to help him on his journey.

How will Drey fare in the magical world?Will he perish?Or will he survive and continue to grow and become the strongest of them all.

Warning this story contains a lot of violence and blood.

Undertale belongs to tobyfox