うみねこのなく頃に - Episode 4: Alliance of the Golden Witch

This chapter introduces Battler's sister Ange as a secondary protagonist, who was absent from the 1986 Ushiromiya family conference and was taken in by Eva, the only survivor of the Rokkenjima Mass Murders. The narrative shifts between the gameboard and the outside world, showing readers the impact of the incident on Ange's life and exploring her relationship with Maria and magic through Maria's diary.