"Brainstorming / Kimi Sae Ireba Nani mo Iranai" (ブレインストーミング/君さえ居れば何も要らない, Bureinsutōmingu/Kimi Sae Ireba Nani mo Iranai, Brainstorming/Don't want anything but you) is the 53rd single by the Japanese female idol group Morning Musume, released in Japan on April 17, 2013.
The "Loose Shot Ver." of "Brainstorming" was uploaded to the official Morning Musume YouTube channel on February 27, 2013, while the Dance Shot of "Kimi Sae Ireba Nani mo Iranai" followed on March 13, 2013. The full versions of each video were uploaded to the channel on March 30 and April 10, respectively, with both English and Japanese subtitles.
The single will be released in seven versions: regular editions A and B and five limited editions: A, B, C, D, and E. The Limited Editions A, B, and C will come with a bonus DVD, while all the other editions will be CD-only. Each limited edition will also include an entry card for the lottery to win a launch event ticket.[4]
After the graduation of Reina, Mizuki Fukumura and Masaki Sato received her lines.