Likes: Studying Dislikes: Exercise, sudden actions

Class 2-A. An honor student who is pretty cheeky and cannot feel good if her grades aren't the best (or doesn't do as well as she wishes). She puts studying before everything and keeps a precise day-to-day schedule on her phone. Having studied in the most advanced school in Kansai until junior high, Riko talks in Kansai-ben when she gets excited.