I Became an Evolving Space Monster - Chapter 423

As a walk-on, he had been the mistress of his sugar daddy for three year. However, they only had met each other for a few times.
As a boss, his sugar daddy had tons of lovers.
The walk-on: The cake shop is the only thing I love in this world. Lovers? Never want one.
The boss: No problem. Nobody wants that.
Then, they fell in love with each other…
Shameless playboy x heartless rogue
1v1, this is not a decent love novel.

- Description from Novelupdates

In 2036, humankind steps foot on Mars for the first time.

Lucius Mc. Conol, once the leader of a ghost division, is captured and killed on a mission. However, not all is lost as he finds himself reincarnated in another world... as a leafling?

Join Lucius as he teaches lower leveled plant life human tactics, bringing to them new concepts and powers.

*Ding* [You've leveled up]

This is a kingdom-building, evolution story which sees Lucius encounter beings from different species, spreading his influence and 'mystical' powers.