This is Quick Transmigration novel made out of nine to ten interesting arcs where there's always a twist

We have: interstellar arc; where MC kidnaps a starship and becomes a captain of pirate ship and ML is a captain of whole fleet fighting against the Alliance;

Forces of dark and lights gods arc, where MC is a human with Dark God's bone inside his body from an experiment and he becomes really powerful in that one, ML is the last fallen fenrir.

mermaid arc, with emperor gong that became absolutely obsessed with bloodthirsty dangerous merman Ge Xiu.

ABO arc, where Ge Xiu is an omega and ML is a merchant treading on the line of the law, who proposes wants marriage first emotions later.

Entertainment industry arc where ML is a big boss in entertainment plus arms industry and Ge Xiu is a black reputation small actor.

Modern beastmen arc, where Ge Xiu becomes a kitty and ML is leader of the rebellion against humans (comeback of the fenrir).

Apocalypse arc where Ge Xiu turns into a zombie early on and picks up ML to raise as food rations.

Fairy tale, where Ge Xiu is a princess kidnapped by the big gullible dragon ML.

Unlimited Flow, with Ge Xiu having fun breaking instances and ML being a ghost following him.

aaand, arc 10: return of the past.

Is the same person every time. It's easy to discern and there's no unnecessary love drama other than Ge Xiu not trusting ML (quite understandable). In fact ML is the reason Ge Xiu got dragged into illusionary worlds because ML's brain would only react when he saw him... It's all hidden in their past and there's a lot of foreshadowing to it.

I especially love this ML, he loves all of MC's craziness and MC is like a light in his devoid of emotions life. He respects all of MCs decisions and falls for him early on, but being a man used to hiding his feelings it takes a few arcs for a confession~ You'll never be disappointed by him though!

The truth behind everything was that MC and ML were only successful experiments with extremely high mental power which was supposed to be used to make a super powerful starnet. Ge Xiu was too aggressive and was supposed to be killed but ML stopped it at the cost of him not being able to escape from there and so Ge Xiu came back, jumped into the punishment worlds and deactivated chip in MLs brain. Then he blowed up everything and took ML with him.

I liked the zombie apocalypse one the best! The fact that MC actually became a zombie was unexpected and kind of really entertaining. The tension about if he was gonna eat the still-human ML or not was also DELICIOUS lol... literally...