“There's something down there,” Tobirama says when he surfaces.

Smothering his amusement, Tobirama leans up, a few inches further than the other teacher can manage, and plucks the wayward student down from the tree he’s attempting to climb. Settling back, he flips Naruto upside down, dangling him under one arm, and asks Iruka with a smirk, “I believe this is yours?”