[+ +]

[+ +] (Plus Plus) is the debut mini album by LOONA. It was released on August 20, 2018 and includes a total of six songs including their previously released lead single "favOriTe" and title track "Hi High". The physical album comes in four versions: Normal versions (A & B), Limited Editions (A & B).

1. 1.+ +
2. 2.Hi High
3. 3.favOriTe
4. 4.Heat (열기) (9)
5. 5.Perfect Love
6. 6.Stylish