DOCP-257 A curious and naughty niece who seduces and confuses my relative, even though her parents are nearby.

Hey, wait a minute! - My cute niece, who is around my age, is full of curiosity and steals her parents' attention and seduces me, a relative! - If I cross it, will I cross a line of no return? - But I want to do something naughty with my cute niece...! - Kuu! - No more! - I'm about to give in to temptation!