Season 1

Yatogame-chan Kansatsu Nikki (『八十亀ちゃんかんさつにっき』; Yatogame-chan Observation Diary) is the name of the first season of the anime adaptation. Season 1 aired from April 4, 2019 to June 20, 2019.

Characters
Monaka   Kaito    Yanna    Mai Toshika
 * Main
 * Monaka Yatogame (八十亀 最中, Yatogame Monaka) portrayed by Haruka Tomatsu
 * Kaito Jin (陣 界斗, Jin Kaito) portrayed by Mitsuhiro Ichiki
 * Yanna Sasatsu (笹津 やん菜, Sasatsu Yanna) portrayed by Mikako Komatsu
 * Mai Tadakusa (只草 舞衣, Tadakusa Mai) portrayed by Yūki Wakai
 * Supporting
 * Recchiri-sensei (レッチリ先生, Rekkiri sensei) portrayed by Tetsu Inada
 * Toshika Jin (陣 繁華, Jin Toshika) portrayed by Hisako Tōjō