My husband's strange friend is living with us… On a hot summer's day, Sanghyun's wife is approached by Ingyu, an old friend of her husband's. Although she is wary of his eerie looks and strange demeanor, Ingyu quickly reconnects with her husband, moving in with the two soon after. But after they invite him in, strange things begin to happen… (Source: Manta)

My wife is 70 years younger than me. 2118, USA. Dean lost his wife in a car accident. When he hears of a man who disappeared without a trace thanks to a Time Paradox, he makes a plan to pass painlessly and join his wife. And so, Dean travels 50 years into the future. He meets a woman there. She looks shocked to see him. "Are you..?" (Source: Manta)