Otsuka Ai – LOVE IS BORN ～15th Anniversary 2018～
Release Date: 2019.01.17
Otsuka Ai – ネコに風船 / Nekoni Huusen (고양이에게 풍선)
Release Date: 2005.07.13
Otsuka Ai – Love Jam
Release Date: 2004.11.17
Otsuka Ai – LOVE PiECE
Release Date: 2007.09.26
Otsuka Ai – Chu-Lip
Release Date: 2007.02.21
Otsuka Ai – 私 / Watashi (나)
Release Date: 2017.02.15
Otsuka Ai – 甘えんぼ / Amaenbo (응석꾸러기)
Release Date: 2004.03.03
Otsuka Ai – 戀愛寫眞 / Renai Shashin (연애사진)
Release Date: 2006.10.25
Otsuka Ai – プラネタリウム / Planetarium
Release Date: 2005.09.21
Otsuka Ai – Love Punch
Release Date: 2004.03.31
Otsuka Ai – ロケットスニ-カ- / One×Time / Rocket Sneakers / One×Time (로켓 스니커 / One×Time)
Release Date: 2008.05.21
Otsuka Ai – クラゲ, 流れ星 / Kurage, Nagareboshi (해파리, 별똥별)
Release Date: 2008.09.10
Otsuka Ai – フレンジャ- / Frienger
Release Date: 2006.04.12
Otsuka Ai – Happy Days
Release Date: 2004.07.07
Otsuka Ai – 日日, 生きていれば / Hibi, Ikite Ireba (매일, 살다 보면)
Release Date: 2016.07.11
Otsuka Ai – Love Letter
Release Date: 2008.12.17
Otsuka Ai – Love Cook
Release Date: 2005.12.14
Otsuka Ai – Love Is Best
Release Date: 2009.11.11
Otsuka Ai – 愛 Am Best / Ai Am Best (아이 Am Best)
Release Date: 2007.03.28
Otsuka Ai – Peach／Heart
Release Date: 2007.07.25
Otsuka Ai – ユメクイ / Yumekui (꿈을 먹는 벌레)
Release Date: 2006.08.02
Otsuka Ai – ポケット / Pocket
Release Date: 2007.11.07
Various Artists – REPLAY ～Futatabiomou、Kiramokino Story～ ≪Limited Collection≫
Release Date: 2020.08.20
Various Artists – I Love J-Pop
Release Date: 2005.01.07
Various Artists – A Nation’06 Best Hit Selection
Release Date: 2006.07.19