On the occasion of her husband's forty-ninth day memorial, Yuri is forced to live with her sister-in-law, Nao. Unaware that Nao is a lesbian, Yuri wears mourning clothes while Nao can no longer suppress her sexual desire and begins seducing her. Under Nao's gentle yet bold foreplay, sexually frustrated Yuri is enveloped in pleasures she has never experienced before. Exposing her mature body, arousal dripping down her thighs from beneath her skirt, passionate kisses exchanged between women—two widows in mourning uniforms indulge in a classic lesbian scene.