Tosh - Maid, Master, and #2-chan

This is one of the stories found in Comic Kairakuten 2009 11.

One day, little Akina told Masaru that when she grew up, she wanted to become Masaru's maid. Masaru freaked out, calling her an otaku. Years later, Masaru has a maid fetish but doesn't know why, and Akina hates otakus and wonders why Masaru is such a one. When she discovers a maid costume in Masaru's bedroom closet, she decides to try it on. You can guess what happens next.