High School DxD - Volume 23 Chapter 4-1

This is a world shrouded in darkness, and the pervasive black mist erodes all living beings.

Only fire can dispel the darkness and protect mankind.

But the firewood will eventually run out, the fire will eventually go out, and humanity will eventually perish.

until Rhodes came.

- Description from novelbuddy

Chen Zhao can summon demons and see Death.

Yan Qing’s sister, who has been sent down to earth, was schemed; designed to be a miserable female character in every life.

To save her younger sister, Yan Qing, a retired quick-transmigrator, full class man, once again set foot on the world shuttle journey to hardcore protect his sister and counterattack scumbags.

And then … ——

The real daughter who was kicked out of the House: sorry, my richest brother came to pick me up.

Abandoned White Moonlight stand-in: sorry, my elder brother said you lost your throne.

Face-slapped cannon fodder female partner: sorry, the country spoils my brother, my brother spoils me!

- Description from Novelupdates

"There is a thin line between poison and medicine, and I shall make you dance on it!"