Starting with the Kokuyo Arc (Ep. 20+), the series shifts into a traditional battle shonen with serious stakes, complex villains, and the introduction of the series' signature style.
The first ~20 episodes are episodic gag comedy focused on Tsuna getting shot with "Dying Will Bullets" and performing absurd feats in his underwear. Katekyo Hitman Reborn!
The series' heart lies in the relationship between the infant hitman and his student Tsuna . Starting with the Kokuyo Arc (Ep