Reading the LN gave me Harry Potter nostalgia vibes, and I enjoyed reading those books back when I was still in high school, so it's no surprise that I'm enjoying this too
The Song of Heroic Deeds reminds me of this saying, "May the small folks sing songs of your greatness", and it hits you right on the right spot in your heart
I can very much relate to MC on the lowest panel on page 19. Before I go face the boss in almost any game, I make sure I'm very much armed to the teeth!