back alley orange box. (バックアレイオレンジボックス。) are a Japanese pop duo formed in 2013. The members are composer Waroki (ワロキ) and vocalist/lyricist Richa (リチャ a.k.a. 大貫りちゃ). Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.