Yuusuke Iruma

A classmate of Akio's and Yoshino's and Naoko's boyfriend. Although he had a flashy appearance having bleached blonde hair and wearing earrings, he dyed it black and quickly started looking for a job before his graduation. He found employment at an insurance agency and was later seen applying himself to it. He and Naoko have been dating since their third year at university and their relationship is going well. He's particularly friendly with Akio and they're frequently seen hanging out together. (Source: Mangapedia)