Crying over a broken heart, Seto bumps into well-dressed businessman Kurusu... literally. Insisting the two go to his fancy apartment to wash off the coffee stains, Kurusu presses Seto for the reason why he's so distraught, and one thing leads to another. When the two cross paths again later, Kurusu proposes they make their arrangement a little more long term. Cautious about falling in love again so soon, Seto can't help but feel drawn to this wealthy, handsome and kind man...