Awards
- Nihon Yusen Taisho
- 2004: Best new artist
- Best Hits Kayousai
- 2004: Meilleure nouvelle artiste
- 2005: Gold Artist Prize – "Planetarium"
- 2006: Gold Artist Prize – "Renai Shashin"
- 2007: Gold Artist Prize – "Pocket"
- Japan Gold Disc Award
- 2005: Rock & Pop Album of the Year – Love Punch
- 2005: Rock & Pop Album of the Year – Love Jam
- 2006: Rock & Pop Album of the Year – Love Cook
- 2007: The Best 10 Albums - Ai Am Best
- MTV Video Music Awards Japan
- 2007: Best pop video - Renai Shashin
- 2007: Best video from a movie - Renai Shashin (Tada, Kimi wo Aishiteru)
Read more about this topic: Ai Otsuka