With Friday Night Funkin’ Cosmo Calamity Unblocked (VS Yukichi) you can play online from your browser a new week for FNF, in which you can face Yukichi. It is a MOD that stands out for several details, but overall it is quite balanced and offers enough quality in all aspects.
Play Cosmo Calamity Unblocked Online (FNF MOD)
Overall, it seems to me a pretty interesting MOD, with a fairly well designed aesthetic, which offers us a new character quite interesting, and a new background to set the mood. In addition, the week comes with new dialogues, in the style of week 6 and many other MODs.