Original sentence: Although the ability to relive a day ("Return to the past" or "RTTP") can be easily achived by the main characters, the only ones who retain their memories, thoughout the entire series (albeit this ability is reserved for emergencies), these are the only two episodes in which the same day is repeated multiple times throughout
Edited sentence: Although the main characters have the ability to relive a day ("Return to the past" or "RTTP") and be the only ones who retain their memories, throughout the entire series these are the only two episodes in which the same day is repeated multiple times.Breaking a time loop that others are stuck in is a major plot element in "The Good, the Bad, and the Cursed", but we and the sisters themselves only go through it once