This is the emotional resolution that he needs. But will he disappear now?
No. Because he wants to share it with everyone.
(They don't say the words Bodhisattva Vow. But it sure quacks like a duck.)
Tachibana awakens, and it is our Tachibana. Otonashi explains his revelation.
Tachibana agrees: this is what she's been pushing for.
This school is full of people who were unable to enjoy their youth, and are carrying that weight. She wants to release them.