Hiroki Nakanishi

A college student and holder of the Japanese records in the 100m and 200m freestyle. He is a childhood friend of Ami, and wishes to become more than just a friend. Ami's father tries to arrange a marriage between Hiroki and Ami, both to cut off her growing relationship with Keisuke and to get the financial backing of the Nakanishi family. He is the youngest of three brothers. (Source: Wikipedia)