You, Like the Sun, are Falling v.1.0.2

From the moment I began to realize what life was all about, my childhood friend Hinata Akiteru (Hinata Aki) has always been by my side.
Before I knew it, I began to see her not only as a best friend, but also as a woman....
Over the years, she became more and more feminine and the men around her began to notice her charms....
Feeling the urgent need to do so, the protagonist decides to confess his feelings to her this summer.