LOCKET Goods
LOCKET is HeartSync's beloved duo, made up of Kumu Cotton and Siena Olena.
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Kumu Cotton Be My Valentine - Acrylic Keychain -
Kumu Cotton Be My Valentine - BUNDLE -
Kumu Cotton Be My Valentine - Standee -
Kumu Cotton 2026 Birthday ˚ʚ♡ɞ˚ Acrylic Standee -
Siena Olena Be My Valentine - Standee -
Siena Olena Be My Valentine - BUNDLE -
Siena Olena Be My Valentine - Acrylic Keychain -
Siena Olena's ASMR Service -
Kumu Cotton Debut - Full Bundle -
Siena Olena Debut - Full Bundle -
Kumu Cotton Debut - First Meeting Voice Pack -
Siena Olena Debut - First Meeting Voice Pack -
Kumu Cotton Debut - Standee -
Siena Olena Debut - Standee -
Kumu Cotton Debut - Rubber Keychain -
Siena Olena Debut - Rubber Keychain -
Kumu Cotton Debut - Button Pin -
Siena Olena Debut - Button Pin -
LOCKET 6 Months Pin Set -
LOCKET 6 Months A3 Poster -
ᴍɪɴɪ ʙᴜɴᴅʟᴇ - LOCKET 6 Months Celebration -
Kumu Cotton Birthday 2026 ˚ʚ♡ɞ˚ Full Bundle -
Siena Olena Debut - Button Pin ITA bag SET -
Kumu Cotton Debut - Button Pin ITA bag SET
