But Sometimes a Relationship

"Innocent face, D-cup breasts and perfect intercourse skills! Son, this is not your girlfriend anymore but your mother!" Ki-ho brings Yuki from Japan to marry her. However, he starts cheating on her with his ex-girlfriend in Korea. Min-cheol comforted Yuki and thought of her as his daughter-in-law, but one day he realizes he is looking at her as a woman. In the end, Yuki and Min-cheol have intercourse without Ki-ho knowing...

Happy young married couple Paige and Leo are, well, happy. Then a car accident puts Paige into a life-threatening coma. Upon awakening she has lost the previous five years of memories, including those of her beloved Leo, her wedding, a confusing relationship with her parents, or the ending of her relationship with her ex-fiance. Despite these complications, Leo endeavors to win her heart again and rebuild their marriage.

Two love-starved strangers crash into each other on the one night of the year when single people are allowed to have sex.

Darius Lovehall is a young black poet in Chicago who starts dating Nina Moseley, a beautiful and talented photographer. While trying to figure out if they've got a "love thing" or are just "kicking it," they hang out with their friends, talking about love and sex. Then Nina tests the strength of Darius' feelings and sets a chain of romantic complications into motion.

When Diem's custodial grandparents adamantly refuse Kenna's attempts to see her daughter, Kenna discovers unexpected compassion, and then something truer and deeper, with former NFL player and local bar owner Ledger. As their secret romance develops, so do the dangers for both of them, leading Kenna toward heartbreak and, ultimately, the hope for a second chance.

A train ride brings two unlikely souls together as Bae, a committed partner of a serious 10-year relationship, sees her world turned upside down by the charming playboy Kim. Seated together on a business trip from Seoul to Busan, the two find themselves on an adventure to remember.

At her 25th high school reunion, Peggy Sue faints and awakens in 1960—back in her senior year, before her marriage and all her regrets. Given a second chance to relive her youth, she must decide whether to change the choices that shaped her life or embrace the past that made her who she is.

Stillman, a heartbroken physics student, builds a time machine when his girlfriend breaks up with him. Going back in time, he attempts to save their relationship by fixing every mistake he made—while dragging his best friend along in the process.

Korea's most popular song writer Hee-soo runs into a nineteen-year-old boy in the elevator. Hee-soo is inspired by a new song watching him shake at her figure. She starts to tell him about women under the excuse that she's teaching him music. They fall for each other but things get complicated when her life teacher, Joon-ho who taught her about life and music comes back.

Teenagers Rose and Bennett were in love, and then a car crash claimed Bennett's life. He left behind a grieving mother, father and younger brother, and Rose was left all alone. She has no family to turn to for support, so when she finds out she's pregnant, she winds up at the Brewer's door. She needs their help, and although they can't quite admit it, they each need her so they can begin to heal.

A single mother and an incarcerated man forge an unlikely bond through heartfelt letters, unlocking a door to redemption, hope and love against all odds.

During the 1990s, hardworking Mi-soo and optimistic Hyun-woo meet at a bakery and fall in love while exchanging stories on a radio station, but while their paths keep crossing, the timing never seems to work out.