Death March kara Hajimaru Isekai Kyusoukyoku (WN) - Book 9 - 9-16. High Elf

A master assassin transmigrates into an interstellar era.

[WARNING THIS IS AN EROTICA NOVEL MEANT FOR SPECIAL AUDIENCES]it will include harem, MC stealing girls, humiliation,bdsm and so on.It's really funny to be bored with your normal, partying but not having women you want,Well shit happens I got reincarnated as a prince with an incubus system abilities,I need to rule the world, just kidding fuck my way up to the top(Please I am not perfect, but promise to meet up with you taste.)

What’s not to love about my new life after transmigrating into a Pet-centered world?
There are mighty creatures that come in all shapes and sizes. They can either be cuddly companions, helpers in your daily life, daring scouts or strong fighters. Or all of the above. Not bad, huh?

I have a family, but the fact is completely overshadowed by my younger sister. She thoroughly hates my guts, and she makes sure that I know this. Every. Single. Day.
Did I mention that she’s disgustingly talented while I am a bottom feeder? A terribly handsome one at that.

I have free rein to run the family business on my own. A small and quaint Pet Store. It should have been great if not for the fact that the previous owner of this body was born with ZERO affinity to handle Astral Pets…

It wouldn’t be a proper transmigration without a gimmick or a system to pave my road to greatness, don’t you think? I have one, but I don’t know if I would be better off without it…

Dr Dalton Wyatt, a world renowned Scientist and Inventor is transmigrated to the body of a high school student Dalton Wyatt who committed suicide due to unfortunate circumstances and complicated life.