A drama about young adults and the importance of text messaging on their love lives. In the drama, Han Seung Ho is a Korean foreign student who moves in with, Miu, his friend. Han Seung Ho wants to send a message to his first love in Japanese, but because his Japanese is weak, he enlists the help of Miu to write the texts. Through this relationship, the two end up in love.
Love comes in all flavors. Secret Ingredient is the story of a Korean man who gives up his entire luxurious life in Seoul in search of his childhood girlfriend, someone he’s never forgotten all these years, in the hopes that she would fall in love with him, not for who they were back then or who they are now, but for what they can aspire to be: happy, fulfilled and blissfully in love with one another.
33-year old Han Je In is a mystery novelist who is notorious for habitual false reporting to the police in town. Her only friend is police officer Rok Hwan, who has had a crush on her since childhood. One day, Je In hears a scream of help from an apartment upstairs and reports that a serial killer lives above her but no one believes her. Convinced that Jason, the handsome man living upstairs, is a serial killer, she asks Rok Hwan to help follow him around with her. But as she learns more about Jason in her pursuit to uncover the truth, she begins to fall for him. Seeing her in this state, Rok Hwan feels a tinge of jealousy.
A love story of the past 5,272 km, linking the two countries, Indonesia and Japan. Elly, Indonesian students, and Ryo, a young Japanese acquainted through social media. They also met in Japan, spending time together, and eventually fell in love. However, differences in language and culture in their way. How is the continuation of their love story?
Matsumura Ryouko is a popular novelist in her 50s who has just found out that she has Alzheimer’s disease. In order to gain some fulfilment in her life, she decides to be a guest lecturer at a university. Through one of her students, she meets a South Korean exchange student, So Chan Hae. As they become closer, they fall in love.
Mika goes all the way to Seoul to see her sweetheart Hyeong Jun who's been waiting for her. She suffers faints at the airport and she mistakes Kim Gyeon as Hyeong Jun due to trauma. Kim Gyeon also ends up falling in love with her, thus disrupting the balance between the three. Their memories start intertwining, but, before long, a tragedy occurs
When his boss, Dae Jung, goes missing in a ship accident, the company sends Woo Joo to Osaka to finish his business. On his last day in the city, Woo Joo chases someone looking exactly like Dae Jung to Taisho, an area in Osaka. He ends up losing him, but the sound of a guitar draws Woo Joo to a small bar, Pier 34. Its owner, Snow, somehow reminds him of Dae Jung, and listening to his music brings back memories. After passing out right there, Woo Joo ends up missing his flight back to Korea. He quits his job on a whim and soon meets Haruna, who is learning how to play the guitar from Snow. Woo Joo decides to stay at Pier 34 until he finds Dae Jung and so begins an unlikely vacation for him.
Woo Hyun is a Korean man, and Haruka is a Japanese woman. They live different lives, but they both carry emotional scars from their first love. While looking for answers and hope, their fateful encounter will change their lives. It started with one message… Haruka, a stage actress in Seoul, has been in a slump ever since she broke up with her first love. She cannot forget him and keeps sending messages that go unread on LINE. Despite her emotional hurt, Haruka wants to believe in love. In Tokyo, Woo Hyun, an aspiring movie director, keeps on doing interviews concerning “love”. After being deeply hurt by his girlfriend, who thought about getting married, he no longer believes in love. Haruka and Woo Hyun have both grown timid of love. The two of them, who live apart in Tokyo and Seoul, have a chance encounter because of a LINE message delivered to Woo Hyun’s smartphone from Haruka. They exchange messages without knowing each other’s faces and are drawn to each other before they realise it
Hitomi, a Japanese resident, comes to Hong Kong after the death of her fiancé Tatsuya in a fatal accident to settle several important matters surrounding his demise. Although the incident was years ago, it has apparently left an indelible mark in her life as she could not forget him. Kar Bo, an undercover cop, was involved in a drug bust-up which would later incriminate him. Hitomi stumbles into him and was amazed that he looked remarkably similar to her dead lover. Although Hitomi was conscious that Kar Bo can never be the real Tatsuya, she endures his hardships with him unfailingly which results to having strong feelings for each other.
Aoi studies photography at a school in Tokyo. She undergoes a heart transplant operation and goes to the island of Okinawa to recover. Her uncle lives on the island. There, she holds a camera and walks along the island. Aoi hears the sound of a trumpet. She looks up and sees a young man playing the trumpet. His name is Ji Oh.