about
Hello1103
Hello1103 is a Tokyo-based electronic duo featuring Katsuhiro Hitomi (Trackmaker/Engineer) and yukako (Vocal/VJ). Fusing organic digital sounds with visual expressions that delve into the subconscious, they craft immersive, extraordinary spatial experiences.
Renowned for their dynamic live performances, Hello1103 pushes musical boundaries by integrating cutting-edge technologies. In addition to standard live sets, they explore innovative formats like immersive VR live experiences in live venues.
As a VJ and manipulator, they have supported the musicality of “world’s end girlfriend” from both visual and auditory perspectives. Also they have directed live visual performances for numerous artists, including “mouse on the keys”.
2019 – Developed the visual performance system for NEPO Kichijoji as an engineer, and launched “Hello1103 Ambient Set,” a live set specializing in serene beauty
2021 – Initiated the VR live project “Live: VR Experience” and the immersive audio event “irreversible”
2022 – Released their first pair album, “Hello” and “1103”
2024 – Released their second full album, “Billion Balances”
2025 – Performed at “Festival of Modular 2025 Tokyo”
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Katsuhiro Hitomi
A trackmaker, engineer, modular-synth player at Hello1103. Standing between technology and emotion, he proposes near-future music through unique ideas such as planning immersive VR live experiences and organizing events that combine live performance with immersive audio.
In addition, he supports the musical direction of world’s end girlfriend as a manipulator, and participates as an engineer in live visual productions and music videos for numerous artists across genres, serving as a foundation for expanding creative expression.
yukako / yk (Hello1103)
yk is VJ/Vocal of Hello1103, an electro music unit. with abstract and minimal visuals which seem to embody the subconscious, she has served as VJ for numerous artists, including “mouse on the keys” and “world’s end girlfriend”. She started her solo live performance using analog synthesizers since 2020. She performs ambient/drone music that includes improvisation as well as video production. Her sense of aesthetic is also reflected in her music. In 2023, she began to focus on her own voice and started singing with classic guitar. Now she is further expanding the scope of her activities.
2021.12 1st Album ”Haven” from Dewfall Record
2023.12 2nd Album ”Memories by the Sea” from GoodDog Records
2024.9 Participated as a chorus on Arai Akino’s “Botanical Note” – tracks “Olraya” and “Clover.”
2024.12 Released “Kakuriyo” from Kikizte (collaboration with Mamiko Imai)