Key words
- Orbit - Our beat!
- One Night In The Rain
- Our Siblings' life
- Okulem
- Orchestra Academy
- Our Spirit
- Outside spirits
- Odd Pieces
- OKTANA & KO #1
- out of here 2.0
- Over the mist
- Oh This Cursed Name of Mine
- Our lovely Fairy tale
- One Way Deal
- Off line (H)
- Omega-X
- Oddly Satisfying
- OPPA NOVA
- Once in this Lifetime
- Out Of My League
- Of Fangs and Claws
- Odh's Guide to Procrastinating
- Oculus
- ONE LIFE/ONE CODE (Hiatus)
- One Step Forward
- Of Dandelions and Wine
- ORBIT
- OUR PROBLEMS (BL)
- Outworld Guardians
- Off Guard™
- On the Emperor's Lap