4th Ikimasshoi!

4th Ikimasshoi! (4th 「いきまっしょい!」) is the fourth studio album from the J-pop idol group Morning Musume and was released on March 27, 2002.

Overview
It is currently their second highest selling album, with a total of 515,400 copies sold. Since their last album (with new material) 3rd: Love Paradise, two more generations of members had joined, which might have contributed to the album's overall success. The album contained such popular singles as "The Peace!" and "Ren'ai Revolution 21." The first pressing edition of the album came in special packaging, with a B3-sized folded poster.

This album has received a platinum award for 250,000 copies sold.

Members at the time of Album

 * 1st generation: Kaori Iida, Natsumi Abe
 * 2nd generation: Kei Yasuda, Mari Yaguchi
 * 3rd generation: Maki Goto
 * 4th generation: Rika Ishikawa, Hitomi Yoshizawa, Nozomi Tsuji, Ai Kago
 * 5th generation: Ai Takahashi, Asami Konno, Makoto Ogawa, Risa Niigaki