In the Second Generation of the Trench, He Changed To the Ruanfan Script - Chapter 66:

To rebuild death god’s glory, was our obligation!

At the start of the story, he and his zanpakuto had to fight for his own territory!

The Lord of Hell, Mephisto?

Playing with people’s hearts, you might need to learn more from me!

Necromancer?

Let me test the might of Ryūjin Jakka!

Iron Man, Tony Stark?

Come, come, it just happened that I am in need of technical support in the Technological Development Department!

…

Lod, who inherited the will of Soul King, crossed into Marvel World and decided to become the biggest behind-the-scenes manipulator!

When Lod ruled the three major organizations of the Wandenreich, Las Noches, and Seireitei, and looking at the entire universe, he could not help but sigh with emotion: In fact, at the beginning, I just wanted to live!

“Keep it in your mouth… Swallow it… Baby, be good…“

Coincidentally, indoorsy-guy Zhang Yang went to the cultivation world, being the lowest level of zombie. By using a manual book named: “ Tai Yin Refining Figures”, Zhang Yang find his own way to success and leaves a “If a zombie knows how to use a manual, nobody can stop it “ legend in the world.

- Description from Novelupdates

Failing in his job hunting, Sanada Kyouichirou was hopeless in this society. When kyouichirou had thrown himself towards the bottom of a cliff. When he woke up his body had returned towards when he was in fifth grade of elementary school. He did not want to have any regrets in this life so he had decided on building up an harem in this second life.

The elder sister that he admired, a senior and president of the student council at a school for rich young girls, a strong minded upper classman at school. The poison fang of Kyouichirou who had pretended to be a innocent child attacks those girls.