Himari and Ami are best friends. However, Himari has Ami kept her love for Amiri hidden in her heart. Not knowing this, Amiri casually talks to Ami about sugar dating and sex with men. The two end up sharing a room, but Ami says she'll increase her sugar dating to pay for rent. After they start living together, Himari, overflowing with the accumulated jealousy, frustration and lust, can't help but kiss Ami. Ami is confused by Himari's true love, which she had never heard before...