Goodbye to Irony Dress

A shriek was heard as a sailor uniform skirt fluttered, and Meguru thought himself a lucky perv till he caught a glimpse of... a guy's boxer shorts?
"Quit staring, old fart!"
By chance, he ended up inviting the high school boy in girl's uniform, Keiichi, to his place with the mystery of why he wears that uniform still unsolved. Unw...