Synopsis: Mushou no Koibito

His Temporary Mistress / 無償の恋人 Violet, a hardworking art teacher, is dumbfounded after her older sister confesses to stealing confidential data from her workplace. Terrified, she visits the office, asking the CEO, Damien, if there is any way that he could forgive her sister's mistake. He leaves her with one solution: "You must become my fiancée." He says that this is the only way to ease his dying mother's worries. Confused by his cold nature, but taken by surprise by his hidden gentleness, will Violet agree to his terms...?