"Seishun Collection" (青春コレクション, Seishun Korekushon, "Youth Collection") is a song recorded by Japanese pop girl group Morning Musume.

"Seishun Collection" is the theme song for Fashionable (ファッショナブル, Fasshonaburu), a musical starring Morning Musume.

[2] The b-side "Tomo" (友, "Friend") was chosen as the theme song for the 2010 Japan Expo in Paris, France,[3] at which Morning Musume is expected to appear on July 2, 2010.

[5] Also at Morning Musume Concert Tour 2011 Aki ~Takahashi Ai Graduation~, Morning Musume and their 10th generation, Ikubo Haruna, Ishida Ayumi, Masaki Sato and Kudo Haruka performed together Morning Musume 43rd single, Seishun Collection's B-side Tomo.

All tracks are written by TsunkuSeishun Collection Main Voc: Ai Takahashi, Risa Niigaki, Eri Kamei, Reina Tanaka Center Voc: Sayumi Michishige Minor Voc: Aika Mitsui, Junjun, Linlin Tomo Main Voc: Ai Takahashi, Reina Tanaka Center Voc: Risa Niigaki, Eri Kamei, Sayumi Michishige, Aika Mitsui, Junjun, Linlin