- Kurayami Motomu (暗闇求む; To Seek Darkness)
- Akimoto Yasushi
- Other Information
- Arrangement: Tateyama Akiyuki
- NGT48 Team NIII: Ogino Yuka, Oguma Tsugumi, Kato Minami, Kitahara Rie, Sato Anju, Sugahara Riko, Takakura Moeka, Tano Ayaka, Nakai Rika, Nishigata Marina, Hasegawa Rena, Honma Hinata, Murakumo Fuka, Yamaguchi Maho, Yamada Noe
- AKB48 Team B / NGT48 Team NIII: Kashiwagi Yuki
- NGT48 Kenkyuusei: Otaki Yuria, Kado Yuria, Kusakabe Aina, Seiji Reina, Takahashi Mau, Nakamura Ayuka, Nara Miharu, Nishimura Nanako, Miyajima Aya
- NGT48 Graduated Members: Mizusawa Ayaka
"Kurayami Motomu" is performed by all NGT48 members at the time of release.
There are currently two recorded versions of "Kurayami Motomu" found in NGT48's discography. These versions are:
- Kurayami Motomu (Original)
- Found on the Type-C edition of the "Seishun Dokei" single as track #3.
- Kurayami Motomu off vocal ver.
- Found on the Type-C edition of the "Seishun Dokei" single as track #6. This is the standard version without the main vocals.