S1E1 — Muramata-san no Himitsu — Episode 1

Kaede Muramata, a kind-hearted office lady, harbours a secret that none of her colleagues suspect. When one of her subordinates struggles with his work performance, she invites him to her home hoping to encourage him — but the visit takes an unexpected turn when he stumbles upon her hidden truth. This opening episode sets the stage for a workplace secret relationship between two adults.