The Chimeric Ascension of Lyudmila Springfield - Chapter Eighty-Five: Relationship Growths – Part Three (R-18)

Being a Divine Doctor is very troubling, but being an invincible Divine Doctor is even more so, because there are just too many patients. Tangyu simply couldn't cope with it all!

A man was transported to Ancient China and eventually became a servant of a declining household without a male heir. He utilized his wits and modern knowledge to help the household and eventually become trapped in the sea of political turmoils of the period.

- Description from Novelupdates

A high school student that has lived as a mob-character ―― Mimori Touka

An angel made a mistake, resulting in Shiihara Daiki’s death. In order to hide the mistake, he was then sent to a different world. The angel will grant him one wish as a payment for keeping it a secret. Daiki asked for a Heavenly Castle floating in the sky without hesitation.

Suddenly a floating castle appeared in the new world, which causes confusion amongst the people. They attempt to contact Daiki in various ways. A country tries to steal it by force, while another seeks to befriend him. What in the world would Daiki do?