The ink is still drying on Chise Hatori’s signature when the above line appears across the cityscape: April showers bring May flowers. Given Chise’s initial mental state in the opening moments of The Ancient Magus’ Bride, the proverb is obvious. Before reaching the point where she signs that contract, Chise has seen and lived through some horrifying things. This is her turning point.
The Ancient Magus’ Bride also uses flower language liberally throughout its first episode to set the mood, giving small hints and insight into Chise’s circumstances.