One day a chubby little boy calls out to a malnourished orphan girl, "Come with me, I'll feed ya." Thus Julia and her dog Alex begin their life with Dan and his father, working at their restaurant.
The Lanky Girl and the Thicc Boi (Pre-Serialization) is a completed manga by Kato Mayumi, first published in 2018. It blends romance, comedy and slice of life. You can read all 25 available chapters of The Lanky Girl and the Thicc Boi (Pre-Serialization) online for free on MangaPulse; the newest is Chapter 24, added 2020-01-09. The series is finished, so you can read it from start to end in one go.