[Cross-dressing male lead + male-receiver lead + sharp-tongued tsundere with targeted barbs + all-pairings + one-sided feelings from some characters + no endgame pairing]
If I want to avoid an all-male ending... of course I should dress as a girl! Kamiya Izumo had been dreaming of a life surrounded by girls when she was tricked into joining an all-male training camp. Bound by a promise to a girl that she would make it to the end, she had no choice but to hang around the training center, looking utterly dejected.
How am I supposed to get through this? Kamiya Izumo wailed inwardly.
A crossover with Monthly Girls' Nozaki-kun. The early plot mainly follows Monthly Girls' Nozaki-kun, but after the story goes behind the paywall, it mostly becomes background material.
The protagonist is a regular leading lady in the drama club, and is pretty out there in a certain sense.
Theme: Growth