Aoba-kun's Confessions Vol 1

From the Kodansha edition

Mayo is a high school loner who has issues with communication. She starts a peculiar job at a “Listening House,” where she silently listens to people’s problems. But her first client is Aoba-kun, the star of the basketball team who is seemingly perfect! Could Aoba-kun and his complicated situation be too much for Mayo to handle?! So begins the secret relationship between the girl who lacks communication skills and the guy who seems to have it all. Enjoy the first volume of this heart-warming love story.

Source: Anime News Network Encyclopedia