ame to niji to object / 雨と虹とオブジェ - Kuwakado Aoi (lyrics)

Koinobori (bossa ver mix -AOI-) [こいのぼり (bossa ver mix -AOI-)] - Satsuki Aoi (lyrics)

Ano niji e to [あの虹へと] - Kei (lyrics)

Owaranai Niji / 終わらない虹 - SOARA (lyrics)

niji iro no seasons / 虹色のSeasons - Trickstar (lyrics)

Major S4 Ending 2 - Ame Nochi Niji Iro

SPICY BREEZE - Yuta Aoi (lyrics)

Crazy 4 Me 月華繚乱ロマンス - Aoi Kano & Atsumori Kano (lyrics)

Tsuki to, Hoshi to, Maboroshi to / [月と、星と、まぼろしと] - Satsuki Aoi & Uduki Arata (lyrics)

Rainy Day - Uduki Arata & Satsuki Aoi (lyrics)

SwEeT MeLIOw MeLoDy - Hinata Aoi (lyrics)

Ultraman Nexus 2nd OP - Aoi Kajitsu / Blue Fruit (Lyrics)

sakura no yakusoku ~hajimari no basho~ / 桜の約束～始まりの場所～ - Ichinose Gaku, Kuwakado Aoi, Saionji Ren & Tsukuyomi Rikyo (lyrics)

Reincarnation / [リーンカーネーション] - Satsuki Aoi (lyrics)

Harukaze to Hibari / [ハルカゼとヒバリ] - Satsuki Aoi (lyrics)

wonderful happiness - Amane Keito, Kitagawa Shota, Kuwakado Aoi & Hirose Kai (lyrics)

Kalmia to Samidare [カルミアと五月雨] - Satsuki Aoi (lyrics)

Niji - by Masaki Suda (with lyrics in romaji)

Niji / 虹 - Eichi Horimiya (lyrics)

独立独歩 (Dokuritsu Doppo) - Aoi Suminomiya (lyrics)

Aoi Toroimerai / [青いトロイメライ] - Yuki Wakaba (lyrics)