Who's Emilia?

A young man with dark hair looks down in distress, then the scene cuts to a young woman with light hair looking up with concern, followed by a wide shot of a man in a black and white uniform standing on a stone structure overlooking a glowing green portal with a woman in a green dress inside, then a close-up of a young man with spiky black hair looking up in shock, then a close-up of a young woman with blue hair and a pink ribbon with a tear in her eye, and finally a close-up of the young man with dark hair looking up in shock with a woman with white hair behind him, all set against a backdrop