Ultraman: My Shut-In Wife Is Zero's Human Host

[Ultraman fan fiction + one heroine + sweet romance + lighthearted daily life + food] Zimo, a 24-year-old all-around programmer, lives with his 20-year-old genius artist girlfriend, Ruo Xiaoshui. He thinks his mission in life is simply to take good care of this adorable shut-in, whose ability to manage daily life is practically nonexistent. Then monsters descend, and he sees with his own eyes Xiaoshui, still drowsy in her Pikachu pajamas, shout “Zero!” and transform into a Giant of Light! From then on, Zimo's daily routine is upgraded from “feeding a shut-in” to “serving as Ultraman's personal support crew.” A cohabitation story full of sweetness, passion, and laughter begins...