1This article is about what happened when the princes went to college.
2 The protagonists can only be Yagyu and Nioh
3 Yagyu is in the same school as the other princes, but not in the same school as Nioh.
4 Nioh and the other princes have some misunderstandings, which will be clarified later in the extra chapter.
5 Nioh and Toho are best friends