IV-III Prophylaxis

IV-III Prophylaxis
Story arc	Alliance of the Golden Witch
Theme music
Opening theme	Katayoku no Tori
Ending theme	la divina tragedia ~Makyoku~
Umineko no Naku Koro ni Chronology
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IV-III Prophylaxis is the twenty-first episode of Umineko no Naku Koro ni.