Transformed into a Monster from the Start, I Enter the Reincarnation Space

Infinite flow + evolution + no female lead + individual insectoid race

"A weak life-form has been detected. Enter the Reincarnation Space?"

"Yes/yes"

"Yes."

From then on, the Reincarnation Space had a monster whose evolution knew no bounds.

Across the myriad worlds, nothing stays constant. The only way forward is to evolve, evolve, and evolve again.

"If only I could adapt to this black hole's gravity..."