The only wish of a girl with immortality is to end her own life, but she accidentally witnesses strange things during another attempt, and finally chooses to join in order to fulfill her wish.
Reality is not always satisfactory.
After getting along day and night through life and death, the girl gradually changed her mind, but when she began to try to survive, the ensuing malice once again pushed her into the abyss of despair.
But this time, she won't be alone.
Someone will be with her until she reaches eternity.
Intention: love and being loved, betrayal and staying together, the meaning of life.