Ennoshita no Chikara Mocha: Maou Toubatsu Shitara Wakagaetta node, Gakuen de Kage kara Support Shimasu
縁の下のチカラモチャー ～魔王討伐したら若返ったので、学園で陰からサポートします～
Sakuya originally aspired to be a support hero working from the shadows. After nearly single-handedly defeating the Demon King, he was restored to youth and began searching for a new purpose. He then enrolled in an academy that trained aspiring adventurers, where he met Fuyuna, the school's top swordsman. Noticing her ambition to compete with other academies, he joined the institution as a low-profile member to quietly support her. Despite his formidable strength, he deliberately kept his abilities hidden to avoid drawing attention.