Kpop Wiki
Kpop Wiki

0+1=1 (I Promise You) is the second mini album by Wanna One. It was released on March 19, 2018 with "Boomerang" serving as the album's title track. The song "I.P.U." was pre-released on March 5.

The physical release comes in two versions: Day and Night.

"Boomerang" and "Gold" were leaked online on March 14.[1]

Track list

  1. "Gold" - 3:39
  2. "I.P.U. (약속해요)" - 3:40
  3. "Boomerang (부메랑)" - 3:03
  4. "We Are" - 3:21
  5. "Day By Day (보여)" - 3:06
  6. "I'll Remember (너의 이름을)" - 3:34
  7. "I.P.U. (Propose ver.) (약속해요 (고백 ver.))" - 4:18
DVD (Taiwan Night ver. edition only)
  1. "Boomerang" music video (Chinese subtitles)
  2. "I.P.U." music video (Chinese subtitles)
  3. "Beautiful" music video Movie Ver. (Chinese subtitles)
  4. "Beautiful" music video Performance Ver. (Chinese subtitles)
  5. "Energetic" music video (Chinese subtitles)
  6. "Energetic" music video Performance Ver. (Chinese subtitles)
  7. "Burn It Up" music video (Chinese subtitles)
  8. "Wanna Be (My Baby)" music video Live Ver. (Chinese subtitles)



Year Date Certification Units Ref.
2018 May 10 Triple Platinum 750,000 (album-equivalent) [2]


An official merch package, containing a set of goods and a cassette tape, was sold in May 2018.



Video links