The story centers around Kusaka, an older man who loves marshmallows, and Wakabayashi, an OL (office lady) who loves Kusaka. The anime follows as their relationship unfolds at their office.
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(Source: Anime News Network)

Hige-san and Marshmallow

Rain and Marshmallow

Train and Marshmallow

Fairy and Marshmallow

Drinking and Marshmallow

Brother and Marshmallow

Mioko and Marshmallow

Surprise and Marshmallow

Normal and Marshmallow

Amusement Park and Marshmallow

Hot Springs Trip and Marshmallow

Wakabayashi and Marshmallow

Ojisan and Marshmallow

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