You walk out through the gate in the morning with a bag and do not look back, and nobody in the hall says your name.
The seal holds for a year. Mione and Malfoid renew it in November without you and it does not take, because the writ wants three.
CorvinaIt needs three. Not three bodies. Three people who mean it.
You hear about the village in June from a newspaper. Nobody ever tells you what the two of them said, or whether they looked for you first.
It is the only ending where you never have to find out what you were to them.