Jake has a crush on two people at once. What will happen when they find out about his feelings?

'I like you, teacher.' the young, 18 year old Prapai finally confessed to his English teacher. 'N-no, stop this nonsense! You're just confused, Prai. This thing that you're feeling is just an infatuation!' the young teacher Sky rejects him immediately. Infatuation. A temporary affection. A short-lived admiration. Was it really? Five years later, Sky finds himself in a similar place with a familiar face. 'Meet our new Literary Arts instructor!' 'Nice to meet you, Sir Sky.' 'N-nice to meet you too, Sir Phrapai.' The once unnoticed now became an outstanding instructor making Sky feel overwhelmingly awkward. But happens when they were to live under one roof? Chaos? Or would something great finally occur? And seeing Phrapai in a different light, will the cold teacher Sky finally open up his heart for the last time? ..

On campus, one passes by hundreds of people a day. Invisible people. For Jake, the day Lee Heeseung stopped being invisible marked the first day of a whole new life.