Responses
https://www.mangago.me/read-manga/from_today_on_i_m_a_boy/
https://www.mangago.me/read-manga/national_school_prince_is_a_girl/
This is more like she gets mistaken for a boy:
https://www.mangago.me/read-manga/vitamin_c_vitamin_d/
Someone has a list when the fl have to dress as a guy ?
I'm into this plot these days