Kimi wo Wasureru Koi ga Shitai

When Shino saw Sena playing guitar in middle school, it was love at first sight—and then her first relationship, her first real boyfriend...and countless other firsts! Even after Sena's transfer to another school forced them apart, Shino has carried a torch for him all the way to college, where she's found him again by some miracle! But that pure and genuine face she once knew is no longer there, instead replaced by a distant expression...

(Source: Yen Press)