Tsubaki Haguro

Tsubaki Haguro is the male protagonist of the manga Shinobi Shijuusou. He is one of the four Shinobis who will compete for Chouko Manaka's right-hand man. He is the last main character to appear in the Manga, wherein he first appeared on Chapter 4.

Volume 4
In Chapter 13, he was invited by Chouko in her birthday party.