Top lesbian athlete Minato Riku, Abe Nomiku, and Natsume Yuki in a triple performance!! Nomiku, belonging to the triathlon club at Shiroyuri Women's University of Physical Education, was steadily improving her times under the "dedicated guidance" of her advisor Yuki. Yuki found supreme joy in polishing diamonds in the rough through "lesbian training" and was searching for the next diamond in the rough... One day, Yuki heard rumors about a triathlon club member from Hanazono University of Physical Education named Minato Riku.
