Japanese

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～

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.