Art, writing style, Story flow, Pacing, Character backgrounds and personalities, and the overall "Vibe" of the Game is fitting for it's theme, aswell as the good pacing of the story it makes you Immersed in the "world" itself, although (a personal want) needs hints on what the appearance of the MC is or rather Subtle Clues about his appearance, it should make the dynamic Better to imagine with story telling to give the "readers"  a better perspective.