Himawari!!

The story of Marikouji Hayato-sensi's trials as a teacher in a remote girls-only ninja school continues..... With his ever faithful student, Hinata Himawari at his side, he finds himself having to deal with a number of strange and uncommon situations that could only be found in secret elite high school dedicated to training the assassins and ninja specialists that serve the needs of the government and other rich clients.

Animation by ARMS & Starchild Records.
Series aired January to April '07.
13 TV episodes.

This series is a sequel to Himawari!.