Chain of Love is a coupling song of HKT48's 7th single 74 Okubun no 1 no Kimi e. The song was used on Ozaki Shihainin ga Naita Yoru DOCUMENTARY of HKT48 (尾崎支配人が泣いた夜 DOCUMENTARY of HKT48) as a theme song. It was also included on their first album 092.
- Artist: HKT48
- Composer: Goto Koji (後藤康二)
- Arranger: Ikuta Machine (生田真心)
- Kanji title: N/A
- Romanji title: N/A
- English title: Chain of Love
- Single: 74 Okubun no 1 no Kimi e (7th single)
- Album: 092 (1st album)
Center: Ueno Haruka
- Team H: Anai Chihiro, Ueno Haruka, Kojina Yui, Kodama Haruka, Sakaguchi Riko, Sashihara Rino, Tashima Meru, Tanaka Miku, Matsuoka Natsumi, Yabuki Nako
- Team KIV: Ota Aika, Tomonaga Mio, Miyawaki Sakura, Motomura Aoi, Moriyasu Madoka
- HKT48 Kenkyuusei: Aramaki Misaki
- The song was first recorded in line with the release of their first documentary movie, and will be heard starting January 29, 2016 as their official theme song. This was later included on their 7th single as a coupling song.
- Ueno Haruka's only centered this coupling song on 7th single, as well on used song from their first documentary.