Chapter01 / Marble Iro no Hi
- Yaida Hitomi
- Chapter01 / Marble Iro no Hi (マーブル色の日)
- Catalog Number
- Marble Iro no Hi (マーブル色の日; Marble-coloured Day)
- Tsuki no Namida (月のなみだ)
- Hello (Bonus Track)
"Chapter01 / Marble Iro no Hi" is the twelfth single (eleventh major label single) released by Yaida Hitomi. "Chapter01" was used as the SUZUKI "Wagon L Solio" commercial song. "Marble Iro no Hi" was used as the ending theme for the movie Kyou no Dekigoto. The single reached #13 on the Oricon weekly charts and stayed on the charts for a total of seven weeks.