Welcome To Demon School Iruma-kun And Arianna-chan

Arianna is a half demon and half human hybrid who was sold by her human mother to a high rank demon in exchange for a luxurious life after her demon father died.
Along with a human boy named Suzuki Iruma who was also sold by his parents to a high rank demon named Lord sullivan, the two became the demon's grandchildren and was enrolled to a prestigious school owned by Lord sullivan.

Join the two as one tried not to stand out while the other made her goal to rank up as a high rank demon to inherit her father's inheritance.