It's Time to Let You Go [Short Story]

Three years ago, Sunhwa left Jimin to study abroad. Jimin's only best friend, Yeoju, took advantage of the opportunity to approach Jimin and confess her love, leading to a beautiful love story between Jimin and Yeoju. That was until a few days ago... But yesterday, Sunhwa, who had been studying abroad in the US, returned to Korea...