Hitonatsu no Hankouki
- Hitonatsu no Hankouki (ひと夏の反抗期; One Rebellious Summer)
- Akimoto Yasushi
- Izumi Kazuya
- Other Information
- Arrangement: Sasaki Yutaka
Members who ranked 33rd to 48th in the AKB48 37th Single Senbatsu Sousenkyo performed a coupling track as Next Girls.
Artist: Next Girls (ネクストガールズ)
- (Center: Fujie Reina)
- Team K: Kojima Mako (#36), Tano Yuuka (#45)
- Team 4: Sasaki Yukari (#47)
- SKE48 Team S: Futamura Haruka (#34)
- SKE48 Team KII: Kinoshita Yukiko (#40), Furukawa Airi (#37)
- SKE48 Team E: Isohara Kyoka (#44), Iwanaga Tsugumi (#46)
- NMB48 Team M: Shiroma Miru (#43), Fujie Reina (#33)
- NMB48 Team M / AKB48 Team A: Yagura Fuuko (#41)
- NMB48 Team BII: Umeda Ayaka (#35)
- HKT48 Team H: Anai Chihiro (#39), Tashima Meru (#38)
- HKT48 Team KIV: Ota Aika (#42), Motomura Aoi (#48)
There are currently two versions of "Hitonatsu no Hankouki" to be found in AKB48's discography. These versions are:
- Hitonatsu no Hankouki (Original)
- Found on the Type-A edition of the "Kokoro no Placard" single as track #3.
- Hitonatsu no Hankouki off vocal ver.
- Found on the Type-A edition of the "Kokoro no Placard" single as track #7. This is the standard version without the main vocals.