![](https://cdn.animecharacters.io/images/anime/large/9245-e7773649.jpg)
Format
OVA
Episodes
1
Episode Duration
23 min
Status
Finished Airing
Premiered
Aired
2014-09-25 to ?
Source
Game
Rating
PG-13 - Teens 13 or older
Genres
Mystery
Music
Performing Arts
Studios
Studio Deen
Producers
Licensors
Bakumatsu Rock: Mystery! Onsen Kaijiken ze yo!! (幕末Rock 湯煙推理劇[ミステリー]! 温泉怪事件ぜよ!!)
An incident has led to someone's death at Teradaya, which the gang went to for a day trip. A "69" on the victim's leg will be the key to solving the mystery. (Source: MAL News)