Guilty Crown Lost Christmas (OVA) (TV Episode 2012) - IMDb

Lost Christmas (OVA): Com Takahiro Sakurai, Kana Asumi, Nobutoshi Canna, Yû Kobayashi. Scrooge and Carol have been subjects for multiple experiments of Da'ath(a secret society promoting human evolution). They ran away and used the powers that they have to protect themselves.

Guilty Crown: Lost Christmas

Guilty Crown (TV Series 2011–2012) - Episode list - IMDb

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Guilty Crown Lost Xmas

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Guilty Crown: Lost Christmas, Guilty Crown Wiki

What are some good psychological thriller animes with action? - Quora

Guilty Crown: Lost Christmas

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