Horimiya Vol 1

Horimiya by HERO and Daisuke Hagiwara. A Romance manga rated Teen, published in English by Yen Press.

At school, Hori is popular and put-together, while Miyamura is quiet and gloomy. Outside school, she's a homebody who takes care of her little brother, and he's a pierced, tattooed sweetheart. Once they discover each other's secrets, they become inseparable. A beloved slice-of-life romance.