| Tobira o Akete | |
| Type: | single |
| Artist: | ANZA |
| Released: | April 21, 1999 |
| Recorded: | 1998 or 1999 |
| Genre: | J-pop |
| Label: | Victor Entertainment |
| Producer: | Kikuko Seiji Kameda |
| Prev Title: | Dream |
| Prev Year: | 1998 |
| Next Title: | Kanata e |
| Next Year: | 2006 |
is Anza's second solo single released on April 21, 1999, under the Victor Entertainment label. The single reached #57 on the weekly Oricon chart and only rank for a week. It was used as a second opening song for the NHK anime Cardcaptor Sakura.[1] [2]