Am I Actually the Strongest?

Haruto, the prince who was abandoned in the woods as a child, is the adopted son of Gold Zenfis. He possesses overpowered barrier magic, but keeps it a secret to avoid appearing weak in front of his family, particularly his younger sister Charlotte. Haruto's life is complicated by the growing threat to the kingdom and the protective instincts of his Flame Fenrir companion, Flay, who is sworn to serve him.