Magic, Me, and My Big Master!

My big master is 100cm taller than me, and an adorable gentle giant! Hinata, a boy who dreams of wielding magic, becomes the apprentice of Esmeralda, a witch towering at 240cm tall. What begins as instruction in the magical arts is slowly twisted into something more by Esmeralda's affection for Hinata. Is this a teacher's platonic love for her pupil? Or something more?! (Source: emaqi)