In My Youth, Everything Was About You

In the midsummer of that year, the heartbeat began, and they went from being young deskmates to passionate lovers, but they parted ways amidst reality and misunderstandings. They each experienced loneliness and grew up, but reunited many years later. Their love remained unquenched, and they reunited after breaking up. From the school uniform to the rest of their lives, they were always each other's only heartbeat.