Chisato Shoda struggles with a sexless marriage and dissatisfaction in her married life. Misa Yuuki, who has secretly harbored feelings for her, suffers in silence, tormented by her unspoken emotions. As time passes, those buried feelings grow stronger, until Misa can no longer contain herself and finally confesses to Chisato. Though shocked by the sudden confession, Chisato's pent-up desires quickly overwhelm her resistance, and she is completely captivated by Misa's unique finger techniques. Swept into an almost dreamlike experience, Chisato is enveloped in pleasures she's never known before, gradually surrendering her heart—and body—entirely to Misa.