I can't be the only one who started liking him he's so nice. Anyway, oneshot with reader being iruma's older sibling(also picked up my Sullivan) and they are a student teacher. I might make a Kirio one too separate. -includes smut because that's what I write. Tried changing my style up a bit too with this one.

hope you like it

A demon is loyal to their word. No matter what. When the principal threatened them to not lay their grubby hands on his precious grandson-turned-granddaughter, the Abnormal Class obliged. But if only it was easy. Well, let's just say, they really can't control themselves at the face of such an adorable foe. Afterall, they're a group of teenagers, give 'em a break! And so, shenanigans ensued!

Iruma is sold to a demon and is made to got to the demon school, Babylus! Humans are a delicacy to Demons, so Iruma has to keep his true identity a secret. But maybe he has a little luck on his side because they all find Iruma to be irresistibly cute!

Iruma and Ryuka were both sold to the demon Sullivan by their parents. And thus, was taken into the nether world... To be the demon's grandchildren??? What will happen to the siblings in the netherworld? Will they be discovered? (OC X Kallego) (Most Impressive Ranking) # 2 sullivan out of 615 stories ranking (Other Rankings) # 16 opera out of 1.5K stories # 3 mairimashita out of 42 stories # 7 iruma-kun out of 56 stories

Where (y/n) and her older twin brother, Iruma go through many adventures and trials through the netherworld while making memories with friends they made along the way. . . . . . . maybe even some romance too perhaps?

This teen is no other than Irumi Suzuki. Why was this young teen there in the first place? Well, poor young Irumi was born to two horrible excuses for adults. They were selfish and their only goal was to have a comfortable, lazy life. Even if it meant forcing their child to shoulder all the consequences. And those consequences have been steep. But no matter how much the young girl has tried, has worked, has sacrificed herself. It was never enough for those selfish mortals. And in the end, they sold her. Not to any mortal man, no but to the great devil, Sullivan. One of the three heroes of the Netherworld. Within this new strange and foreign land- how will she adapt and stand up to these new obstacles in her life? And is this all in the turn for the better? Fanfic for Welcome to Demon School Iruma-kun! Gender switched. Enjoy!