1
Songs
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2
Insecure (feat. gnash)
3
Waste Your Time
4
Mona Lisa (Toneshifterz Remix) (Radio Edit)
5
Help
Singles & EPs
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Ahista
Single • 2026
The Craziest Thing (Lost Boy Remix) [Official Song European Table Tennis Championship 2023]
Single • 2023
Magic Touch
Single • 2021
Good Life
Single • 2021
Alive
Single • 2021
Interstellar Mood
Single • 2021
Be There
Single • 2021
Insecure
Single • 2020
Insecure (feat. gnash)
Single • 2020
Help
Single • 2019
Videos
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Mona Lisa (Toneshifterz Remix) (Radio Edit)
Kastra x Lost Boy - Be There (VIP Remix)
Lost Boy - Poison (Lyrics)
Mushoku Tensei: Isekai Ittara Honki Dasu Season 2「AMV」- Alive
Will Sparks & Lost Boy - Mona Lisa (Al3ma & MLVZ Remix)
Lost Boy ? - Hollywood [Official Music Video]
Kastra & Lost Boy《Be There》Instrumental