Seira Augustine, the affluent sister of Augustine Inc's owner, Alexa Augustine, is the proprietor of the opulent Super Luxury Restaurant on the Augustine Group's Cruise Ship. Leading a life of lavishness, Seira epitomizes wealth and luxury in every aspect of her being. Seira views her sister as a business rival, even though their business fields are completely different. However, as family, Seira sees Alexa as a sister whom she should respect.