All untimely encounters are regrettable and heartbreaking. Fortunately, he caught her.
His responsibility is to protect this prosperous world, and her responsibility is to protect the city of love he built for her.
People from two different worlds start a sad and sweet journey of love due to an accident.
His appearance is to tell her that all the armor God gives you is just to let you meet the best of him.
Concept: Although love is not everything in life, it must be the best additive in modern people's lives.