About How I Became My Bro's Wife

The bookworm Zhendao accidentally drinks a mysterious beverage and wakes up as a beautiful girl with a beauty mark beneath her eye!

Lost and confused in her new identity, she gets a helping hand from her best friend, Shian, the only one who knows the truth. "From today on, you're my little sister!"

Forced to lead a double life at school, Zhendao keeps pushing the limits of common sense under Shian's "all-encompassing" guide to being a girl.

But as her oblivious, unconscious charms keep tugging at Shian's heartstrings, rivals appear and jealousy runs rampant. The "growing-up game" that began with brotherly affection is quietly steering toward a heart-racing romance.

When will the beautiful girl with the ever-calm expression finally notice the surging love in her childhood friend's eyes?