17-year-old highschool student Rise is going out with her childhood friend Hiroomi, a young lawyer. Because of the age gap, Hiroomi imposes the condition that they do not have sexual contact until her graduation, however, Rise doesn't want to wait until then…
Bengoshi to 17-sai is a completed manga by Ono Anbi, first published in 2019. It blends romance and comedy. You can read all 10 available chapters of Bengoshi to 17-sai online for free on MangaPulse; the newest is Chapter 10, added 2021-10-11. The series is finished, so you can read it from start to end in one go.