Makoto no Koi wo suru Mono wa

Nanase moved to Tokyo to attend university. She dreamed of a sparkling college life, but she has been unable to make friends and ends up spending her days all alone… Until one day, she meets Hiyama-san, a senior boy, and it rocks her world! She wants to be with Hiyama-san and get to know all about him. Hiyama's unexpected kindness and good-natured attitude only makes Nanase like him more…? A love affair that begins from the moment they meet! A sweet first-love campus romance!

(Source: Kodansha, translated)