Higehiro: After Being Rejected, I Shaved and Took in a High School Runaway, Vol. 3 (light novel) — Shimesaba

As Sayu begins to feel more and more at ease with Yoshida, she finally works up the courage to face her future and, for the first time, considers going back to Hokkaido. Meanwhile, the newest employee at Yoshida's workplace turns out to be his highschool girlfriend Kanda, throwing Sayu's heart into chaos. And then an expensive, unfamiliar car pulls up at Sayu's part-time job…Time is running out, but is she really ready to leave her new home behind?