text: Action-tion
  Chain r-r-r-r-r-reaction, a-action-tion
  Chain r-r-r-r-r-reaction, a-action
  Yasashiku sa reruto chotto
  Yasashiku naru no
  Fuan’na me o sa reruto 
  Fuan ni naru no
  Dandan you’re loving me
  Dandan I’m loving you
  Rensa shite ku kanjō no rarī
  Ichaga ichaga ga ni ni naru kankei
  Nanka ja manzoku dekinai dakara
  Tōshindai yori choppiri
  Ōkina ai tewatashi de kakezan-chū
  Baby ding-dong hirogaru chain reaction
  Uketotta ai de ch-changing my mind
  Kara sashidashu ai de ch-changing your mind
  Ai ga ai o yobu chain reaction
  Sunao na omoi o kiku to
  Sunao ni naru no
  Kakehiki wa shinaide
  Zuru kashikoku natchau
  Dandan you’re loving me
  Dandan I’m loving you
  Eien no kanjō no rarī
  Itsuka sekai mo kaete shimau wa
  Anata no hāto janainara
  Tōshindai yori choppiri
  Ōkina ai rī shite kakezan-chū
  Baby ding-dong hirogaru chain reaction
  Uketotta ai de ch-changing my mind
  Kara sashidashu ai de ch-changing your mind
  Ai ga ai o yobu chain reaction
  Oh oh, chain reaction
  Oh, ooh
  Tebanasu yūki no nai 
  Semai kokoro ni 
  Shimaeru saizu no shiawase wa chīsai 
  Love to iu nano virus ga
  Densen shite all over the world
  Sō wa ra hito kara hito kara hito kara hito e
  Baby ding-dong hirogaru chain reaction
  Uketotta ai de ch-changing my mind
  Kara sashidashu ai de ch-changing your mind
  Ai ga ai o yobu chain reaction
  Chain r-r-r-r-r-reaction, a-action-tion 
  Chain r-r-r-r-r-reaction, a-action-tion 
  Chain r-r-r-r-r-reaction, a-action-tion 
  Chain r-r-r-r-r-reaction, a-action-tion 
  Chain r-r-r-r-r-reaction, a-action-tion 
  Chain r-r-r-r-r-reaction, a-action-tion 
  Chain r-r-r-r-r-reaction, a-action