Ikken Rakuchaku Goyoujin
# Ikken Rakuchaku Goyoujin

"Ikken Rakuchaku Goyoujin" (一件落着ゴ用心, Case Closed, Be Careful) is a song by Japanese voice actress idol unit Earphones. It was released on February 15, 2017 and was used as the opening for the anime, Akiba's Trip: The Animation. The song has spoken verses narrated by Akira Kushida. Ikken Rakuchaku Goyoujin and single's B-side, Utopia Monogatari were featured on their 2nd studio album, Some Dreams.

## Music video

The music video for "Ikken Rakuchaku Goyoujin" was directed by Pink ja Nakutemo. The video features Earphones performed with light stick and background of Akihabara. Akira Kushida also appears in the music video.

## Charts

| Year | Chart | Peak position |
| - | - | - |
| 2015 | Oricon | 33 |
| 2015 | Japan Hot 100 | 84 |
| 2015 | Japan Hot Animation | 20 |

## Release history

| Region | Date | Label | Format | Catalog |
| - | - | - | - | - |
| Japan | 15 February 2017 | Evil Line Records | CD | KICM-1751 |
| Japan | 15 February 2017 | Evil Line Records | CD+DVD | KIZM-471 |
