Hina and Yayoi are an age-gap couple. The highschooler Hina is charmed by and attracted to the adult Yayoi, and the working Yayoi's heart races from Hina's innocence - these two are in an earnest relationship. Where will the relationship of these two who have yet to kiss go in these lovely, longing days?
Love and Longing is a completed manga by Takemiya Jin, first published in 2018. It blends girls' love and slice of life. You can read all 20 available chapters of Love and Longing online for free on MangaPulse; the newest is Chapter 15.5, added 2021-11-21. The series is finished, so you can read it from start to end in one go.