Train and Marshmallow
Hige and Wakabayashi find themselves on the same train together. Realizing that everyone is staring at them, Hige starts to move to another car... only to land in an even more precarious predicament. Source: crunchyroll
Aired 22/01/2016EP 3 - Train and Marshmallow

2016
Ojisan and Marshmallow
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.
(Source: Anime News Network)