Rescuing the Humble and Paranoid Male Supporting Character [Quick Transmigration]

Acting, Androids, Apocalypse, Calm Protagonist, Charismatic Protagonist, Charming Protagonist, Clever Protagonist, Clingy Lover, Clumsy Love Interests, Cruel Characters, Depictions of Cruelty, Devoted Love Interests, Dystopia, European Ambience, Evil Gods, Evil Religions, First Love, Futuristic Setting, Genetic Modifications, God-human Relationship, Gods, Human-Nonhuman Relationship, Inferiority Complex, Jealousy, Lack of Common Sense, Love at First Sight, Love Interest Falls in Love First, Male Yandere, Monsters, Multiple Personalities, Multiple POV, Multiple Realms, Multiple Timelines, Nobles, Obsessive Love, Possessive Characters, Protagonist Strong from the Start, Race Change, Singers, Strong Love Interests, System Administrator, Tentacles, Transmigration, Unconditional Love, World Hopping, Yandere