Rino Fuka

'''Rino Fuku is Yandere-chan, Koharu Hinata, and Hayato Haruki's teacher. Her class is located on the middle floor to the left side of the school.'''

Trivia

 * The teachers names could be a reference to the top Female Japanese names in 2012,  Rino being placed 47 and Fuka being placed 46 on the list. This has been proven by the Dev on his Twitter page.
 * She teaches in classroom 2-1.