Namida no Seesaw Game
- Namida no Seesaw Game (涙のシーソーゲーム; The Seesaw Game of Tears)
- Akimoto Yasushi
- Matsumoto Toshiaki
- Other Information
- Arrangement: Nakanishi Ryusuke
Artist: Under Girls (アンダーガールズ)
- Team A: Oota Aika, Katayama Haruka, Kuramochi Asuka, Matsubara Natsumi
- Team K: Umeda Ayaka, Nito Moeno, Fujie Reina, Yonezawa Rumi
- Team B: Ishida Haruka, Komori Mika, Sato Sumire, Hirajima Natsumi, Masuda Yuka
- Kenkyuusei: Shimazaki Haruka, Yamauchi Suzuran
- SKE48 Team S: Oya Masana, Yagami Kumi
- SKE48 Team KII: Takayanagi Akane
There are currently two versions of "Namida no Seesaw Game" to be found in AKB48's discography. These versions are:
- Namida no Seesaw Game (Original)
- Found on the "Heavy Rotation" single as track #2.
- Namida no Seesaw Game off vocal ver.
- Found on the Type-A and Type-B editions of the "Heavy Rotation" single as track #5. This is the standard version without the main vocals.