The official Weibo of upcoming anime Sesisan Cerberus (Holy War Cerberus) has revealed Eunjung will be singing the Chinese version of the theme song!
Seisen Cerberu: Ryukoku no Fatalité (Holy War Cerberus: Fatalité of Dragon Time), originally a card game, is a collaboration between Gree, TV Tokyo, China's iQIYI and Medialink Entertainment Limited. The anime will be available to stream worldwide on iQiyi in March and will make it's TV premiere on TV Tokyo in April.
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Source: Seisen Cerberus Official Weibo