All songs of Hitsujibungaku
- 1999
- 1999 (English ver.)
- Addiction
- Aimai de Ii yo
- Ano Machi ni Kaze Fukeba
- Burning
- Burning (English ver.)
- Carol
- countdown
- Denpa no Machi
- doll
- Eien no Blue
- Feel
- Flower
- FOOL
- GO!!!
- Haru no Arashi
- Hikaru Toki
- Hitsuji no Shaun (Life's a Treat) [English Cover] [Shaun the Sheep (Life's a Treat) [English Cover]]
- honestly
- hopi
- Kaze ni Nare
- Kiniro
- Koe
- Kudaranai
- mild days
- more than words
- Natsu no Sei Desu
- Ningen Datta
- Ningyo
- OH HEY
- OOPARTS
- Party wa Sugu Soko
- Seikatsu
- Shinkokyuu
- Shirakawa Yofune
- tears
- Tsuzuku
- Wonder
- Yokan
- Yuunagi [Yu-Nagi]