-Spirit and Pico live in the same body-

In Aftermath, (both the soundtrack art and the episode i'll explain 'em shortly) Pico has a crack and a pinkish-purpleish glow on his right eye, in the soundtrack art, there's a bit of glitching on the right chunk of hair-

*scrolls on youtube and sees a video*

wait what could it be at this timHOLY SHIT NEW CORRUPTION INSANITY EPISODE

*ahem* Anyways, where was I...

In the final song of the Senpai week, AKA "Trojan", the end of "Oblivion" shows Spirit 'spiriting away' into Picos body as he is seen to disappear. And if you don't believe me, watch Tankman Day 3 and in Aftermath, pay close attention to Picos right eye.