In an unexpected twist, siblings Mae and Bae, isolated at home, find themselves drawn to each other's company. As they lounge together, idle hands lead to provocative touches. Mae, intrigued by her brother's lean physique, can't help but steal glances at his crotch. Bae, equally captivated by his sister's curves, fantasizes about her soft, inviting body. Their innocent play turns heated as they explore each other's boundaries, their hearts pounding with a mix of excitement and fear.