Beginning:
The antagonist triggers corruption and throws the ecosystem into disorder in order to save their beloved. The male Alpha (hereafter A) awakens a new body to bring peace to one region. This new body is controlled by a consciousness that possesses the same memories. Unaware of the truth, the male Beta (hereafter B) is taken by the antagonist to another world.
Development:
The consciousness arrives at the place where male lead A's body is kept, and male lead A regains control of his body. The consciousness falls dormant. The protagonists reunite, rekindle the love they shared decades ago, and confirm their relationship. They run a theater together happily while gathering intelligence.
Turn:
The group learns that the corruption can only be reversed by purifying every mutated beast, and they set out on a long journey. Along the way, male lead B discovers the truth, and he and male lead A return to the place where they used to live.
Conclusion:
The group learns the truth about the antagonist. They join forces to persuade the antagonist to turn back and eradicate the source of the corruption. The protagonists successfully retire, become ordinary people, and run a theater together.
Theme: Love is the courage to let go of guilt, and the starlight that saves us all.