- A Septiplier Fan-Fiction - - When a hate comment gets out of control for young Markiplier, he needs to take a load off. So what's better than inviting his good ol' friend Sean over for his birthday? However, Mark still can't seem to get away from the stress of murder tugging at the collar of his shirt. Especially with Sean there. Now, what do you think will happen? Will the hate comment fore fill its potential and keep its promise? Or will Sean handle it. And stand up for his friend for the last, and final time?