Fate/Apocrypha
One Hundred Flames and One Hundred Flowers (1x9)
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Berserker of Black suddenly comes across the master of Assassin of Red, Shirou Kotomine. Berserker of Red returns to the battlefield under the control of Caster of Black, causing more confusion among the participants of the Great Holy Grail War. Archer of Black and Rider of Red engage in a battle of teacher against pupil.