"Shard, that means your magical experience as an investigator actually involved going back to the past. And if the Time Key's corresponding point in time aligns well, could you possibly encounter Miss Feliana in the past again?"
After awakening, the maids brought supper and fruits to the two conversing in the study room. Even though dinner had just finished, the snacks were still plentiful. Tifa stood behind Miss Galina, adding details to Shard's description.
After the Dark Realm receded, it seemed that because of Miss Feliana's "Feliana's Witch Light," the people affected by the realm almost suffered no lingering effects. However, those who fell into a slumber lost their memories of that period, thinking they had just mysteriously slept for a long time. This change in perception was an attribute of the Angel-Level Relic, so the church didn't need to put much effort into managing the possible consequences, blaming it on environmental pollution causing water problems was sufficient.