Kono Chikyū no Heiwa o Honki de Negatterun Da yo! / Kare to Issho ni Omise ga Shitai!

"Kono Chikyū no Heiwa o Honki de Negatterun Da yo! / Kare to Issho ni Omise ga Shitai!" (この地球の平和を本気で願ってるんだよ！／彼と一緒にお店がしたい！) is the 47th single by the J-pop group Morning Musume, released on September 14, 2011, on the Zetima label. The Single V was released on September 21, 2011, a week after the CD single.

Background
It is the last single by Morning Musume to feature Ai Takahashi.

Members at time of single

 * 5th generation: Ai Takahashi (last single), Risa Niigaki
 * 6th generation: Sayumi Michishige, Reina Tanaka
 * 8th generation: Aika Mitsui
 * 9th generation: Mizuki Fukumura, Erina Ikuta, Riho Sayashi, Kanon Suzuki

'''Kono Chikyuu no Heiwa wo Honki de Negatterun da yo! Vocalists'''

Main Voc: Ai Takahashi, Reina Tanaka

Center Voc: Risa Niigaki, Riho Sayashi

Minor Voc: Sayumi Michishige, Aika Mitsui, Mizuki Fukumura, Erina Ikuta

'''Kare to Issho ni Omise ga Shitai! Vocalists'''

Main Voc: Sayumi Michishige, Reina Tanaka

Center Voc: Ai Takahashi, Risa Niigaki, Aika Mitsui, Riho Sayashi

Minor Voc: Mizuki Fukumura, Erina Ikuta, Kanon Suzuki

Regular Edition, Limited A, B, C Editions
All songs written and composed by Tsunku.

"Kono Chikyū no Heiwa o Honki de Negatterun Da yo!" arranged by Shōichirō Hirata.

"Kare to Issho ni Omise ga Shitai!" arranged by Kaoru Ōkubo.

Ai Takahashi Graduation Commemoration Edition
All songs written and composed by Tsunku.

"Kono Chikyū no Heiwa o Honki de Negatterun Da yo!" arranged by Shōichirō Hirata.

"Jishin Motte Yume o Motte Tobitatsu Kara" arranged by Yūsuke Itagaki.

Limited A, B, C Editions, Ai Takahashi Graduation Commemoration Edition

 * Event ticket lottery card with a serial number