A Boy Who Went to Heaven(소년, 천국에 가다)

Ne-mo is a thirteen year-old boy growing up in 1980s South Korea, and is the only child of a single mother who runs a watch repair shop in their small town. Having never met his father, Ne-mo resolves to marry a single mother when he is older. Following the suicide of his mother, Ne-mo becomes acquainted with Bu-ja, who opens a comic shop in his town. Bu-ja is also a single mother with a young son of her own, and Ne-mo instantly falls in love with her. Despite their age difference he proposes to her in a movie theater, but a fire breaks out and Ne-mo is killed saving Bu-ja's son.