This is just the sad ninja career of a stubborn woman. There are only so many men she cares about in her life. One is a teacher like a father. One is a childhood sweetheart. One is a disciple with a big heart. There is also an apprentice brother who is unintentionally frivolous.
Ah, I almost forgot about the teacher's son! As I get older, my memory gets worse. That's all, that's all...