Natsu ga Hajimaru. is a oNA (web) anime that premiered in summer 2021.

About the production: the story comes from an original script, there is 1 episode of about 2 minutes and its current status is "finished".

Its main genres are music and sports, with themes such as Basketball, Tennis, Table Tennis and Advertisement.

On AniList, Natsu ga Hajimaru. has an average score of 64%, an average score, and appears on 631 users' lists.

A CalorieMate web movie directed by Takumi Shiga featuring the song "Surges" by Orangestar, with vocals by Kase and Loin. The video carries an eclectic animation style, as the story follows high school students from various clubs pouring their effort into sports in the second year of the coronavirus pandemic. (Source: Anime News Network, edited) Note: Initially published on the Otsuka Pharmaceutical Official YouTube channel in July 2021, it was later reuploaded on Orangestar's YouTube channel under the song title "Surges", republished on August 12, 2021.

Official synopsis from AniList.