Manga by author Ogura Akane - Status ongoing

Miyoshi is always competing and losing against his childhood friend, Mamiya, who is good at everything. One day, Mamiya collapses from illness and is hospitalized forseveral weeks. When he returns to school, it turns out he is genetically female, and has decided to try living his life as a girl now much to Miyoshi's horror.

Sagara becomes a girl in his third year of middle school, and has to deal with his crush on Kurosawa, a female classmate.

The long-lasting war between the Northern and the Southern Kingdoms is unbearable. So the northern Prince Johanne and the southern Princess Euda decide to tell everyone they are in love, because their marriage can stop the war. But the truth is they don't get along at all! Can they prove that opposites do attract?