Outlen : The Rock in Japan Festival is an annual three-day rock festival held during early August at the Hitachi Seaside Park, in Hitachinaka, Ibaraki, Japan, organized by Rockin'on. At this festival appear mostly J-Rock, and J-Pop artists.
- Title: Rock in Japan Festival 2017
- Category: Music Show
- Episode Number: -
- Airdate: 01 Oct 2017
- Pass Rar: aidoruku