Inexpressive Kashiwada and Expressive Oota

What is Inexpressive Kashiwada and Expressive Oota?

Kashiwada-san’s face is a masterpiece of stoicism. Her classmate Oota-kun? A walking explosion of emotions determined to crack her calm with over-the-top antics. (Spoiler: It’s not working.) But between his failed surprises and her secret smiles, these polar-opposite classmates might just be into each other! Witness a rom-com where love speaks louder than expressions.<br> <br> (Source: Crunchyroll)