heartsync

A US American VTuber agency that focuses on bring comfort to the world.

Heartsync Logo

Talents

Generation 1 LOCKET

• Kumu Cotton (EN)
• Miki Kokoa (EN/JP/KR) (left December 10 2025)
• Siena Olena (EN/ES)

Generation 2 IKIGAI! (left January 22 2026)

• Manururu Nekoko (EN/JP)
• Tenchira Himachii (EN/JP/DE) (rebranded as Hima Hamuzumi)

Staff

(all ilustrations made by Cheese)

Ilu
(CEO)

Euphy
(Audio Supervisor)

Lilysa
(Talent & Store Management)

Cheese
(God/Art Director)

External links

• Official Site
• Twitter
• YouTube Channel
• Second YouTube Channel