Otsuka Ai – 戀愛寫眞 / Renai Shashin (연애사진)
Track 11 from Album "LOVE PiECE"
Release Date: 2007.09.26
Otsuka Ai – Heart
Track 10 from Album "LOVE PiECE"
Release Date: 2007.09.26
Otsuka Ai – Chu-Lip
Track 09 from Album "LOVE PiECE"
Release Date: 2007.09.26
Otsuka Ai – 黒毛和牛上塩タン焼680円／Kurogewagyuu Joushiotanyaki 680yen (LOVE IS BORN ～15th Anniversary 2018～)
Track 05 from Album "LOVE IS BORN ～15th Anniversary 2018～"
Release Date: 2019.01.17
Otsuka Ai – フレンジャ- / Frienger
Track 08 from Album "LOVE PiECE"
Release Date: 2007.09.26
Otsuka Ai – 蚊取線香 / Katori Senkou (모기향)
Track 07 from Album "LOVE PiECE"
Release Date: 2007.09.26
Otsuka Ai – 星のタンゴ / Hoshino Tango (별의 탱고)
Track 06 from Album "LOVE PiECE"
Release Date: 2007.09.26
Otsuka Ai – ネコに風船 / Nekoni Huusen (고양이에게 풍선)
Track 01 from EP "ネコに風船 / Nekoni Huusen (고양이에게 풍선)"
Release Date: 2005.07.13
Otsuka Ai – クムリウタ / Kumuriuta (흐린 노래)
Track 05 from Album "LOVE PiECE"
Release Date: 2007.09.26
Otsuka Ai – Peach
Track 04 from Album "LOVE PiECE"
Release Date: 2007.09.26
Otsuka Ai – Mackerel’s Canned Food
Track 03 from Album "LOVE PiECE"
Release Date: 2007.09.26
Otsuka Ai – ユメクイ / Yumekui (꿈을 먹는 벌레)
Track 02 from Album "LOVE PiECE"
Release Date: 2007.09.26
Otsuka Ai – ポンポン / Pon Pon (퐁퐁)
Track 07 from Album "Love Jam"
Release Date: 2004.11.17
Otsuka Ai – 未來タクシ- / Mirai Taxi (미래 택시)
Track 01 from Album "LOVE PiECE"
Release Date: 2007.09.26
Otsuka Ai – キミにカエル / Kimini Kaeru (너에게 돌아갈거야)
Track 02 from EP "Chu-Lip"
Release Date: 2007.02.21
Otsuka Ai – 私 / Watashi (나)
Track 01 from Single "私 / Watashi (나)"
Release Date: 2017.02.15
Otsuka Ai – Chu-Lip
Track 01 from EP "Chu-Lip"
Release Date: 2007.02.21
Otsuka Ai – さくらんぼ / Sakuranbo (앵두) (Studio Live Ver.)
Track 03 from EP "甘えんぼ / Amaenbo (응석꾸러기)"
Release Date: 2004.03.03
Otsuka Ai – 羽ありたまご / Hane Ari Tamago (날개 달린 알) (Live Ver.)
Track 03 from EP "戀愛寫眞 / Renai Shashin (연애사진)"
Release Date: 2006.10.25
Otsuka Ai – ハニカミジェ-ン / Hanikami Jane (부끄러운 제인)
Track 02 from EP "戀愛寫眞 / Renai Shashin (연애사진)"
Release Date: 2006.10.25
Otsuka Ai – 戀愛寫眞 / Renai Shashin (연애사진)
Track 01 from EP "戀愛寫眞 / Renai Shashin (연애사진)"
Release Date: 2006.10.25
Otsuka Ai – しゃぼん玉 / Shabondama (비누방울)
Track 06 from Album "Love Punch"
Release Date: 2004.03.31
Otsuka Ai – プラネタリウム / Planetarium (TBS ‘꽃보다 남자’ 삽입곡)
Track 01 from EP "プラネタリウム / Planetarium"
Release Date: 2005.09.21
Otsuka Ai – さくらんぼ / Sakuranbo (앵두) (Original)
Track 03 from Album "Love Punch"
Release Date: 2004.03.31
Otsuka Ai – Pretty Voice
Track 01 from Album "Love Punch"
Release Date: 2004.03.31
Otsuka Ai – 空とくじら / Sorato Kujira (하늘과 고래)
Track 03 from EP "ロケットスニ-カ- / One×Time / Rocket Sneakers / One×Time (로켓 스니커 / One×Time)"
Release Date: 2008.05.21
Otsuka Ai – One × Time
Track 02 from EP "ロケットスニ-カ- / One×Time / Rocket Sneakers / One×Time (로켓 스니커 / One×Time)"
Release Date: 2008.05.21
Otsuka Ai – ロケットスニ-カ- / Rocket Sneakers (로켓 스니커즈)
Track 01 from EP "ロケットスニ-カ- / One×Time / Rocket Sneakers / One×Time (로켓 스니커 / One×Time)"
Release Date: 2008.05.21
Otsuka Ai – 雨の粒, ワルツ ~Love Music~ / Ameno Tsubu, Waltz ~Love Music~ (빗방울, 왈츠 ~Love Music~)
Track 03 from EP "クラゲ, 流れ星 / Kurage, Nagareboshi (해파리, 별똥별)"
Release Date: 2008.09.10
Otsuka Ai – Kurage, Nagarebosi / クラゲ、流れ星クラゲ, 流れ星 / Kurage, Nagareboshi (해파리, 별똥별)
Track 01 from EP "クラゲ, 流れ星 / Kurage, Nagareboshi (해파리, 별똥별)"
Release Date: 2008.09.10