Completed

Follow Elliot back in time as he encounters the unexpected.

On his first day working as a new teacher at his alma mater, Sunny Day Boys High School, Lee Taesung is welcomed by the bright and sunny smile of Seo Sunny, a warmhearted chemistry teacher. Feeling immediately drawn to Sunny, who resembles his first

Yujin is a nerd who loves Choi Beom, his senior who is in the same department. Because he is shy and does not dare to express his feelings, it makes him often dream of Choi Beom.Then one day, Yujin got into his grandfather's potential-making machine,

Introverted and grumpy, 20-year-old Kang Dae spends the majority of his time alone, and he prefers it this way. One day, he gets a very friendly and bubbly neighbor named Bo Seon. Suddenly, his life takes a very different turn.