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Full name Dier
Affiliation Unknown/None
Voice actor Fukuyama Jun
Artist Unknown
Released on CN, TW, KR, EN, JP

"This is classified information!"

This article contains spoilers. You have been warned.

Dier is a friendly NPC.


Dier is a genius with second generation dolls, both autonomous civilian dolls and combatant tactical dolls. It was hinted that Dier comes from a wealthy family, his interest in dolls turned into a hobbie and eventually earned him the title as the youngest doll technician.

Character Info


"We're not at an optimal state yet, commander."

This article is a stub. You can help us by expanding it.

This page needs more information about:

  • Relations with 404
  • Relations with Sier
  • Relations with Angie
  • Relations with G&K



  • Dier's CN (CN/TW) name is 德尔, which pronounces verbally like 'Der - Er'. The CN file name for Dier is actually 'Deele', while Sier was 'Seele', hence all of Dier's appearances and mentions on this wiki were labelled 'Deele'.
  • The names Dier and Sier are likely a play on "Deal" and "Seal"
  • It seems Dima found her way into Griffin and Kryuger sometime in april... How?