Strawberry Marshmallow (original Japanese name: Berry Mashimaro), also known as Berry Throw (logo "Berry Mashimaro" resembles "Berry Throw"), is a Japanese manga artist ばらスィー in the monthly manga Denshitsu Daioh on the serialization of the work, the original It was originally published as an irregular series of illustration submissions, and is a moe manga in which "cuteness is justice". The manga was broadcast as a television anime in July 2005, and was adapted into a video game in August of the same year. The Chinese version of the manga is published by Kadokawa Taiwan.

The protagonists of the story are five girls between the ages of 11 and 20 who observe the seemingly ordinary world through their eyes. The story is told in the form of a one-shot unit drama. The setting of the story is based on many places and things that do exist: the main characters live in Hamamatsu City, Shizuoka Prefecture (the author's birthplace), Hamamatsu Station, Lake Sasaki, a dairy farm's milk brand "Toda no Oishii Cow's Milk", the elementary school where Miyabi and the other four attend, etc. But the climate is mild. However, the climate in Hamamatsu is mild and snowfall is rare.

Hamamamatsu has become a "mecca" for many Strawberry Marshmallow viewers, but it has caused a lot of problems for the local residents, and Dengeki Daioh, the magazine that publishes the manga, has advised its readers not to disturb the residents' lives.