The official YouTube channel for the four-piece girl rock band Haku. started streaming the music video for their latest digital single, "Isshin" ( One Step Forward ), which is featured as the opening theme for the summer 2026 TV anime Victoria of Many Faces . Haku. "Isshin" Music Video Victoria of Many Faces Creditless Opening Video Haku. was formed in 2019 by Nazuna (guitar), Kano (bass and chorus), Mayu (drums), and Ai (guitar and vocal), and has been active mainly in Osaka. "Isshin" released digitally on July 8 as their first TV anime tie-in song. Ai posted the following comment about the song on their official website : She can both protect and fight, and she can decide for herself whom she uses those abilities for. Victoria looks perfect and strong, but she is also a bit trapped in the past, struggling with the present, and very kind.　Thinking about how we should live our lives from here on out, we created this song "Isshin" while envisioning Victoria, who continues to move forward no matter how small those steps may be. We would be happy if you could enjoy this song along with the anime while imagining those feelings. "Isshin" digital jacket Haku. artist photo Victoria of Many Faces Trailer The anime adaptation of the Victoria of Many Faces light novel series created by Syuu (story) and Nanna Fujimi (illustrations) premiered in Japan on July 7, 2026.