Dear Brother (1991)

S1E26 Proof: Snow for the Two of Us Alone

Rei finds herself drawn back to the memory of the pact she and Fukiko forged in the shadow of her mother's death. In the fragile days that followed that tragedy, the two girls made a solemn promise to end their lives together, a vow born from grief and a desperate need for connection. Now, as she revisits that dark moment, Rei grapples with the weight of that shared secret and the haunting question of what it truly meant.