Brainstorming / Kimi Sae Ireba Nani mo Iranai

Brain Kakumei or Brest (Brain革命orブレスト; Brain Revolution or Brainstorming) is Morning Musume 53rd single, set to be released in 2013 in 7 editions: 2 regular and 5 limited editions.

This will be Tanaka Reina's graduation single.