Himitsu himitsu futari no himitsu
Kimi ni mo sotto oshieyou
ONE SEVEN no himitsu
Kimi to boku to wa nakama da ze (nakama da ze)
Dakara minna no ONE SEVEN
ONE SEVEN wa (o-oh) bokutachi no (e-ei)
Tsuyoi nakama da tetsujin ONE SEVEN

Himitsu himitsu nanatsu no himitsu
Bokura mo sotto sagurou ze
ONE SEVEN no himitsu
Kimi to boku to wa nakama da ze (nakama da ze)
Dakara minna no ONE SEVEN
ONE SEVEN wa (o-oh) bokutachi no (e-ei)
Tsuyoi nakama da tetsujin ONE SEVEN

Himitsu himitsu bokura no himitsu
Minna de jitto mamorou ze
ONE SEVEN no himitsu
Kimi to boku to wa nakama da ze (nakama da ze)
Dakara minna no ONE SEVEN
ONE SEVEN wa (o-oh) bokutachi no (e-ei)
Tsuyoi nakama da tetsujin ONE SEVEN