The Supernatural Returns, and My Whole Family Are Ghosts

The male lead is strong, while the female lead grows into her abilities and is naturally gifted. There is a romance, but it develops gradually. They don’t spend all their time being lovey-dovey. With each day of extreme weather, nobody in the small town realizes that this is how the ghostly transformation begins. A boy who has always been timid suddenly lunges at a teacher, stabbing indiscriminately around the school. Classes are suspended and the school is sealed off. Then murder cases begin piling up. The people in the town seem to have become unusually violent, and every day brings another family destroyed... The Special Security Department determines that a baleful aura is spreading through the town, infecting many people. So the town is quarantined. People desperately try to flee the town undergoing a ghostly transformation, but all kinds of ghosts keep appearing...