Both girls have an over protective brother. In Yasuko's case, she has one brother who's been taking care of her since their parents died. But in Tao Hua's case, there are FOUR over protective big brothers + one who's bullied by other bros.
Yasuko to Kenji (2008)
Similars
Both are very good comedies and bright, cheerful shows.There are similar characteristics, but the stories are different. Anyhow, good laughs!
Also a drama about yankees/ gangsters.
Both star former delinquents who break stereotypes by doing actvities that is deemed feminine.