The Prisoner Crane Returns

She is a crane who has remembered him for five hundred years. He is an immortal king who has protected her for three lifetimes. She thought she was counting down the time, spending her life night after night to warm him up - but she didn't know that he was also counting down the time, pretending to sleep and letting her wait. Both men thought they were the only ones dying, and both were acting one-man shows. One who didn't hide it from the demon elixir shattered into pieces, and the other who didn't hide it from the fairy body was about to collapse. One said "You should go to a better place" and the other said "Sir, you obviously don't want me to leave". He crossed her three times, burning himself dry each time. "You think you have trapped me, but in fact I am willing to be imprisoned by you." - Hiding in both directions, going to death in both directions. The main film BE, the extra HE.