(C60) [Fuzoku Kugayama Kindergarden (Kugayama Rikako)] Chii No. (Chobits) (C60) [附属久我山キンダーガーデン (久我山リカコ)] ちいーの。 (ちょびっツ)

(C60) [Mystic Chord (Gyro Amarume)] DIGITAL CHOCOLATE (Chobits)

(C60) [Power Slide (Uttorikun)] Jobidu 2 (Chobits)

[Fuzoku Kugayama Kindergarden (Kugayama Rikako)] Toodai dewa oshiete kurenai koto (Love Hina)

(C58) [Fuzoku Kugayama Kindergarden (Kugayama Rikako)] NATSU HINA (Love Hina)

[Fuzoku Kugayama Kindergarden (Kugayama Rikako)] Hanagumi Gomangahou (Sakura Taisen 3: Pari wa Moete iru ka?)

[Fuzoku Kugayama Kindergarden (Kugayama Rikako)] White Album Unison (White Album)

Charisma (Chobits)

(C60) [Mongoose Studio (Various)] Oboro (Chobits)

(C60) [Hoka Hoka Shoten, prelude (Chiaki Tarou)] Chibit (Chobits)

[Rikako Kugayama] Second Season (Sentimental Graffiti 2)