Chapter 43
In the fantasy story, the demon king Leonis sealed himself away for 1,000 years in order to prepare for the final battle, but when he woke up, he found himself in the body of a 10-year-old boy. A beautiful young woman named Lisellia from the Holy Sword Academy then says to him, "Why were you locked up in such a place? It's OK now, this big sister will take care of you!" Under Lisellia's care, Leonis is shocked to see that the world has completely changed. Bewildered and confused, Leonis finds himself enrolling at the Holy Sword Academy.
Chapter 20
Ririka Kirise's a style-savvy high school girl who's struggling to keep up in her chemistry class. Looking for some extra help, she opens the door to her teacher's office-breaking his magic barrier in the process! Unbeknownst to Ririka, Renji is actually a sorcerer...and Ririka has the makings of a sorceress herself. Before she knows it, she's wrapped up in the world of witchcraft as Renji's apprentice-and getting into some sticky situations...
Chapter 21
When the Chemistry teacher secretly practices witchcraft at normal school, many things can go wrong! Fuyumi Renji realises this as Kirise Ririka somehow walks through all his magic barriers and interrupts his spellcasting! How could a normal high school girl ever be able to do this?