"Does your heart really thump when you're nervous?"

As a student who takes Language Major, Jung Hoseok has been curious about the topic he has learnt in school. Being a curious person he is, he decides to find out whether the onomatopoeias really sound like what the ancient people have assumed.

But he is about to go through the onomatopoeias of love too.

Will he be able to prove himself that onomatopoeias really are relatable in his life?