Niko Mikadono

The second daughter of the Mikadono family and a member of the physical education department at Saika Academy. She is a Judo prodigy who has won numerous championships in martial arts competitions. She is strict and serious towards herself and others, including the Saika Academy Judo Club. She has the longest hair of the three sisters and it is orange colored. She is also the shortest of the three and often depicted wearing her martial arts uniform.