The Academy

"He'd grown up with these boys... He knew them inside out. That was, with one exception. Mycroft Holmes was a mystery. No one else seemed to care, after all, he was only the headmaster's son. Greg was ashamed to say that, for the last five years at least, he hadn't much cared about the Mycroft mystery either." Warnings for child abuse, bluntly discussed but not graphic, T for that.