An amnesiac alien arrives on a kaiju-free Earth, taking human form as Sorato. As giant monsters begin appearing, he transforms into Ultraman Omega to fight them, while forming a friendship that explores why Ultraman protects humanity.

After a painful breakup with her unfaithful coworker boyfriend, Maika teams up with her company’s new CEO, Shun, in a fake relationship to get revenge. With Shun looking to dodge an arranged engagement, their plan works for both—until hidden motives surface, sparking a deeper web of love, lies, and revenge.