It Seems That I've Slipped Into a Different World. Also, My Gender Has Changed. - Chapter 25: With Everyone, The Spring Harvest Festival

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!

After 2000 years has passed, the ruthless demon lord has just been reincarnated! But his aptitude at an academy for nurturing candidates for demon lords is, “Inept”!?

Untolerated by heaven, a boy was restricted by the most powerful spell.

Li Pu, who has the blood of a summoned beast, originally just wanted to lie down honestly, but found that his talent as a summoner seemed a bit unusual…

- Description from novelbuddy