It Makes Sense That the Heroine Is a Boy, Right?

[No system] + [No time travel] + [Humorous] + [Single female protagonist] Nan Tang'er was originally a famous beauty in Qingyue City, until she was told by her mother when she was sixteen years old that she was actually a boy. His sister, who had "admired" him since she was a child, had mixed emotions when she learned about this situation. Because her biggest dream when she was a child was to marry her sister. "Damn it! How did my beautiful and generous sister turn into a wretched man?" —————————————————————— "Nan Tang'er, go to hell, you lied to me for sixteen years, and you are a man and you still take a shower with me, ahhh!"