Hidden Assassin - Chapter 21

Ryoma Kogure, a high school student, is surprised when his childhood friend and best friend, Hirasawa Reo, who has always been popular yet indifferent to romance, suddenly confides in him about a love matter.However, when Ryouma learns that Reo’s crush is their quiet classmate, Otsuki Shizuku, he decides to help him out.While personally gathering information on Shizuku for his best friend, Ryoma is unexpectedly summoned by the school’s most beautiful girl, Asahina Alisa!She, being Shizuku’s best friend, mistakenly believes that Ryouma has feelings for Shizuku…!?Caught in Alisa’s misunderstanding, Ryoma scrambles to sort things out…As they began supporting their best friends for their own reason, Ryoma and Alisa grow closer——A romantic comedy that starts with friends supporting each other’s love!

This novel is also known as I Possessed a Demon Sovereign

Chen Luoyang felt that something was wrong with his transmigration. After transmigrating, he possessed the body of the highest expert in the world, the Master of the Demon Cult, addressed respectfully as the Demon Sovereign.

Generally, aren’t supreme experts the ones that leave behind a wisp of their soul behind and occupy a new body of some miserable low-level youngster then they go on a journey of revenge and make a comeback?!

Or perhaps it would be transmigrating into a miserable youngster’s body and obtaining a cheat slowly walking the road to becoming a God?

But why did his transmigration seem wrong?

Now my environment is full of big shots and I feel like I’m going to be exposed!

- Description from Novelupdates

The world is terrorized by the powerful Black Witch who has been sealed in the moon. Every ten years, the night of Hexennacht arrives and a chosen witch must battle the Black Witch in hopes of finally defeating her.

As the current decade’s Hexennacht approaches, a mysterious girl named Kagami Kagami arrives and meets Horinouchi Mitsuru, the daughter of the previous Hexennacht representative.

It takes place between Kyoukai Senjou no Horizon and the City Series, two other series by the author.

Meet Sora and Shiro, a brother and sister who are loser shut-ins by normal standards. But these siblings don’t play by the rules of the “crappy game” that is average society. In the world of gaming, this genius pair reigns supreme, their invincible avatar so famous that it’s the stuff of urban legend. So when a young boy calling himself God summons the siblings to a fantastic alternate world where war is forbidden and all conflicts–even those involving national borders–are decided by the outcome of games, Sora and Shiro have pretty much hit the jackpot. But they soon learn that in this world, humanity, cornered and outnumbered by other species, survives within the confines of one city. Will Sora and Shiro, two failures at life, turn out to be the saviors of mankind? Let the games begin…