The Monster King Return's (Kaiju No. 8 x Male Godzilla Reader)

When Godzilla got sent to a plane of non-existence by Ultima, he started to punch his way out and eventually break out of it the confinement and escape before encountering a Transcendent Being that gave him two options to either being banished to Hell again or to be reincarnated into a new life. After some thinking Godzilla agreed to the second option and became a human which surprised him a lot, and so his new name was Raijin G. Shinoji. Over the years he begins to experience his new life as new, he finds it very peaceful, but soon realizes this world was very similar to his old one. He also learned how to turn into his true form, while gaining more abilities along the way. Despite all humans have done to him in the past he made friends with Mina Ashiro and Kafka Hibino, he would also find love despite her being part of the Defense Force that was made to exterminate Kaiju. However, after following a chain of unfortunate events, Kafka turned into a humanoid monster, so Raijin would help his friend to control his kaiju powers and also would meet unexpecting allies and enemies along the way.