"Your slightly translucent large chest in the rain turns my switch on..." Wet uniforms, transparent underwear, and the wet big-chested schoolgirls are the favorites of the perverted gatekeeper! An obscene man enjoyed the sight of schoolgirls soaked in rain on the stormy night of 'Aika,' struggling to return home! "My life hurts when it rains..." Every rainy night, Aika's emotions change, and she gradually starts to look forward to the rain... Coming home from school in heavy rain, today she is going to commit a crime...