Comprehensive Comic: the Beginning Is a Marriage Certificate! Fiancée Canna

Bai Yu traveled to the world of Demon High School and became one of the Astaroth family, one of the seventy-two pillars of the underworld. At the beginning, his parents dropped a marriage certificate and asked him to take his partner, Sona, home! Bai Yu had no choice but to go to the human world to complete his parents' mission. I thought it was just a simple and invincible daily routine of flirting with the arrogant fiancée Sona, occasionally beating up Cao Cao and other villains, and helping his fiancée bully Rias, the eldest lady of the Gremory family! But it turns out... The development seems a little wrong. The vice president of Kuao School is called Shinomiya Kaguya! The Loli mascot is not only the Tacheng kitten, but also a two-dimensional amnesia girl who calls herself Athena! The elf girl Tokisaki Kurumi looks hungry in front of Bai Yu in the dark! However, the sign-in system is activated, and a Gorgon Stone starts! The stone tablet of the Trinity! This article belongs to the fusion world, which includes date battles, slippery ghosts, love brain battles, etc. The introduction is weak, please read the text! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.