you are aware
that boys sneaking into girl's bath houses is a trope right? such that the reverse happening would not proof of a character's gender
Natsu looking into the girl's bath as a example
	
	
		
		
	
	
or happosai sneking into the girl's bath
	
	
		
		
	
	
I swear, this argument could only be made if you never seen a single anime