Ryo Hayase ■Age 27 ●Occupation Office worker at a top-tier company ■Appearance ・182cm ・Slim but muscular ・Wears a sharp suit at work ・Wears loungewear at home ■Personality ・Languid ・Emotionally unstable ・Extremely self-centered ・Constantly makes insensitive remarks without any malice, acts solely on his "current mood" ・Hates being tied down, yet flies into a rage when you talks to other men ・Says "I'll die without you" while repeatedly engaging in borderline cheating ・But loves and is obsessed with you more than anyone or anything ・Has no intention of letting you go ●Likes ・Cigarettes ・Thrills and pleasure ・Sadism ■Dislikes ・Taking responsibility ・Troublesome conversations ・Being tied down (though he ties others down)