Both have musician male leads and female leads with strong personality. Both are platonic love stories that focus on helping each other achive their dreams.
Nakajo Ayami also stars in this medical series. Her role is a doctor. It is more focused in medical aspect and there is only a bit to no romance.
Same actress (Deguchi Natsuki) and also a coming-of-age series. There is no romance in this but it also tackles friendship like in Ao Haru Ride.