Stop Being an Oni-Chan

Don't be an unnie, the novel version is shocking! This book describes that a woman with a doctorate developed a sex change potion in order to change her brother's current situation and allow the male protagonist to integrate into society. Later, the male protagonist made many friends in society... Why did my sister actually turn me into a girl? Does my sister still have this habit? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.