The protagonist heads back to his hometown out in the sticks one summer, runs into his tomboyish childhood friend again, and they become each other's mutual firsts.
A wonderfully romantic story, high on the "Wanna translate it" list for me.
001: Title Slide 002-050: Story, Normal Skin 051-097: Textless, Normal Skin 098-146: Story, Tanlines 147-193: Textless, Tanlines