After the Transformation of Good Brothers, They Are Still Considered Childhood Sweethearts.

[Change marriage + change 100 (monogamy), a little abuse in the early stage, but then it will be all sugar] First of all, good brothers should be considered childhood sweethearts, right? But what if one day the good brother suddenly turns into a beautiful girl? Should this be considered a heavenly descending type or... A green plum type? This is a problem. So, after a good brother turns into a beautiful girl, is it considered a childhood sweetheart or a gift from heaven?