TV special
Finished airing
1 episode
Bocchi the Rock!: Gotou Futari no Onee-chan Kansatsu Nikki
Bocchi the Rock!: Futari Gotou's Big Sister Observation Diary · ぼっち・ざ・ろっく！ ごとうふたりのおねえちゃんかんさつにっき
Characters and voice actors
Staff and studios
Hamaji, Aki
Original creator
CloverWorks
Animation production