Taka no Tsume Yoshida-kun Batten File: Natsuyasumi Mystery Adventure
Japanese title: 鷹の爪 吉田くんの×（バッテン）ファイル～夏休みミステリー・アドベンチャー～
Type: ONA
Source: Original
Episodes: 5
Status: Finished Airing
Aired: Jul 20, 2019 to Aug 17, 2019
Duration: 6 min per ep
Rating: G - All Ages
Genres: Comedy, Mystery, Sci-Fi, Supernatural
Themes: Parody

A mini side-story "Summer Mystery Adventure" series to the Taka no Tsume 8: Yoshida-kun no Batten File film. Though the film was released three years ago, it has a manga counterpart that's still running in CoroCoro Comic whose 2nd tankoubon volume was released recently. As well as scifi supernatural stories being very popular in Japan during the summer season.