I'm Giving the Disgraced Noble Lady I Rescued a Crash Course in Naughtiness 9 - Sametarou Fukada

''Natalia... has become a bad little girl!'' After learning that Charlotte''s younger sister Natalia is in trouble, deviant sorcerer Allen and his crew set off to rescue her. Their destination: Athena Island, home to the Athena Magical Academy, where Allen grew up with his adoptive family. But figuring out what trouble a seven-year-old could''ve gotten into isn''t Allen''s only daunting task, as his first trip home in three years threatens to reignite an explosive argument he had with his father - one that forever changed the course of Allen''s life.