Shiawase Ikura De Kaemasu Ka?幸せいくらで買えますか？; How Much Do I Have to Pay for Happiness?; Shiawase Ikura de Kaemasu ka?; Shiawase Ikura de Kaemasuka; Tiếng Vĩ Cầm

When she was young, her parents died in a car accident. Her only relative, her grandma, has also passed way. As such, Kiri is now alone and without support. On the day of her grandma’s funeral, an unknown young man named "Shiina" appeared before her. The truth was, her grandma had been funding this violinist...?