Hatsukoi, Zarari

Arisa Ueto is diagnosed with a slight learning disability as well as autism. As a result, she struggles with holding regular employment and feelings of low self-esteem, as if she's good for nothing but sex. This all changes when she starts a new part time job, where she meets a kind co-worker Okamura. The story of an intense but uncertain first love, and finding someone who is willing to love you for who you are.

(Source: Kadokawa, translated)