Hobbyist VTuber - Chapter 189

Ruins stretched across the landscape in the apocalypse after the nuclear war.

Amidst a disaster, an orphan contracts a sickness.

In his waking hours, he is tormented by his ailment, but when he slumbers, there is infinite darkness.

One day, when he was five years old, a strange Fate Trickster appeared in his dreams. Ten years later, he dreams of becoming a lord. To do so, he takes a chance to trade his fate!

That day, Wang Zhong once again stood at the gates of the Tianjing Heroic Soul Academy. He was about to start a brand new life.

- Description from Novelupdates

Probably Shy Loyal Dog Gong X Slightly Blackbelly Used Goods Shou

When a new neighbor moves in across from Chen Xiao, he sets his sights on the handsome young man, Gu MengYang. Though he’s coming off a bad breakup, he still wants to find love with a new man and wants to bully that man along the way!

Meanwhile, his fellow blackbelly friend from childhood, Luo Xin, noses in to “help” him catch his man. And, behind the scenes, tries to find a love of his own.

A series of short stories in the world of Toaru Majutsu no Index organized into chapters featuring Kanzaki Kaori as the protagonist, going around the world and space doing missions for the Church of Necessary Evil, however, there is more than meets the eye as each incident is connected.

One chapter was bundled with each limited edition release of the Toaru Kagaku no Railgun anime DVD and BDs, with all of them together being equivalent to a single normal Toaru Majutsu no Index volume