How I Attended An All-Guys' Mixer Volume 1 by Nana Aokawa

College student Tokiwa gets invited to a mixer by his female classmate Suo. Bringing along two of his classmates, Asagi and Hagi, the trio think their luck is in. But when he arrives with his friends, instead of meeting three girls, they're instead greeted by three dazzlingly hot guys?! Turns out these three hot guys are Suo and her two friends, still in costume from their part-time jobs at a cross-dressing bar! Despite their initial wariness, the six slowly warm to each other and find themselves getting closer in unexpected, heartfelt and hilarious ways.