Ad Mare is the debut single album by girl group Nmixx, the single album was released by JYP Entertainment on February 22, 2022. The lead single "O.O" was described as a song with "mixture of baile funk and teen pop rock" genres with "intense captivating trap intro". "Tank" was described as a song with "groovy vocals and unique raps" and lyrics that "compares the confident and ambitious attitude to a tank".

Tracklist:

1. Tank (占)
2. O.O
3. Tank (占; Inst.)
4. O.O (Inst.)

Inclusions:

• Sleeve Cover : 150 x 210 x 8mm
• Photobook : 64p
• Photocard : Random 1 out of 14
• CD