"Danshi" wa Kenkyuutaishou
- "Danshi" wa Kenkyuutaishou (“ダンシ”は研究対象; "Boys" are Experimental Subjects)
- Akimoto Yasushi
- Ito Daisuke
- Other Information
- Arrangement: Kushita Mine
Artist: Tentoumu Chu! (てんとうむChu!)
- (Center: Kojima Mako)
- Team K: Kojima Mako
- Team 4: Okada Nana, Nishino Miki
- SKE48 Team S: Kitagawa Ryoha
- NMB48 Team BII / AKB48 Team 4: Shibuya Nagisa
- HKT48 Team H: Tashima Meru
- HKT48 Team KIV / AKB48 Team B: Tomonaga Mio
There are currently two versions of ""Danshi" wa Kenkyuutaishou" to be found in AKB48's discography. These versions are:
- "Danshi" wa Kenkyuutaishou (Original)
- Found on the Type-A edition of the "Bokutachi wa Tatakawanai" single as track #3.
- "Danshi" wa Kenkyuutaishou off vocal ver.
- Found on the Type-A edition of the "Bokutachi wa Tatakawanai" single as track #6. This is the standard version without the main vocals.