- Summer side
- Akimoto Yasushi
- Mizushima Yasuhiro
- Other Information
- Arrangement: Wakatabe Makoto
Artist: Selection 16 (セレクション16)
- Team A: Mutou Tomu
- Team K: Kojima Mako, Tano Yuuka
- Team B: Oshima Ryoka, Owada Nana, Kawamoto Saya, Takahashi Juri
- Team 4: Okada Nana, Minegishi Minami
- Team 8: Sakaguchi Nagisa, Nakano Ikumi
- SKE48 Team S: Kitagawa Ryoha
- SKE48 Team E: Suda Akari
- NMB48 Team BII / SKE48 Team S: Watanabe Miyuki
- HKT48 Team H / AKB48 Team K: Kodama Haruka
- SNH48 Team SII / SKE48 Team S: Miyazawa Sae
The Selection 16 members participate in "Bokutachi wa Tatakawanai" but do not appear in its music video.
There are currently two versions of "Summer side" to be found in AKB48's discography. These versions are:
- Summer side (Original)
- Found on the Types-A, B, C, and Theater editions of the "Bokutachi wa Tatakawanai" single as track #2.
- Summer side off vocal ver.
- Found on the Types-A, B, C, and Theater editions of the "Bokutachi wa Tatakawanai" single as track #5. This is the standard version without the main vocals.