Release Date: November 12, 2021

Contents of STUDY ABOUT LOVE Version:
- 1 CD
- 1 Photobook
- 1 Index Photo Paper (random out of 9 types)
- 2 Scientist ID Card (random out of 18 types)
- 1 D.I.Y Sticker
- 1 Break Scratch Card (random out of 10 types)
- 4 Photo Cards (random out of 60 types)

Contents of result file Version:
- 1 CD
- 1 Photo Book
- 1 Photo Card (random out of 9 types)
- 1 TWIND Photo (random out of 9 types)
- 1 Folded Poster

The 3rd album "FORMULA OF LOVE: O+T=<3" by TWICE offers two versions with unique contents, including CDs, photobooks, photo cards, and more, providing fans with a delightful collection of memorabilia.