Dragon Quest: Mirai o Mezashite / Niji no Brand-New Day (DRAGON QUEST 未来をめざして/虹のBRAND-NEW DAY) is the single for the opening and the third ending theme songs for the 1989 TV anime Dragon Quest: Legend of the Hero Abel.
The mini CD was released on 5 February 1991 by Apollon Incorporated, catalog number APDA-38 and JAN 4988015037173, along with a cassette tape version, catalog number APSA-38 and JAN 4988015037180. The cassette version includes karaoke versions of both songs in side B.
- "Mirai o Mezashite" (未来をめざして) [second part opening, performed by Toru Furuya]; 4:06
- "Niji no Brand-New Day" (虹のBRAND-NEW DAY) [second part ending, performed by Masako Katsuki]; 4:25