- Voice Actor (CV)
- Kazuya Nakai
- Role
- Protagonist
- Identity
- An imperial guardian knight of the Sainpilia Empire, formerly of the prestigious Aldogia Order, feared and respected under the epithet 'Iron Mountain Grail'.
Personality
Resolute and disciplined
Highly knowledgeable
A dependable big-brother figure
Completely powerless against cute small animals
Sainglain is an elite knight handpicked by the Sainpilia Empire to escort Princess Eikalad. A graduate of the Imperial Capital University, he combines masterful swordsmanship with broad scholarly knowledge. Despite his stern and stoic exterior, he harbors an undeniable weakness for adorable little creatures. Throughout the group's unpredictable journey, his calm judgment and unwavering combat prowess make him the most reliable pillar of support among Hifukon's companions—a true guardian and brotherly presence.