A Love So Beautiful (Thai: เพราะเธอคือรักแรก; RTGS: Phro Thoe Khue Rak Raek) is a Thai romantic comedy series starring Jirawat Sutivanichsak (Dew) and Chanikarn Tangkabodee (Prim), based on the novel To Our Pure Little Beauty by Zhao Qianqian.

When a friend of Som-O declares his love and asks her to be his girlfriend, she does not understand how to handle the situation.

Chadjen continues to hide his emotions, and Som-O gets more confused about what her heart wants.

Their inability to declare their true feelings for each other leads them to separation.

However, Chadjen realizes his mistake and chases Som-O when he gets a second chance.