So /u/ is picking this up then? I wonder what the trouble was with SNSbu, shame they seem to have dropped it.
I actually was looking forward to this chapter because it's so good! Seki is such a good friend and I love that Fujikawa is a realistically flawed asshole teenager. And the foreshadowing from chapter 49 paid off; turns out the flirty character archetype has had recurring nightmares for a while.
cloba.U said to pay attention to the small text on the guitar on this page, but it's unreadable on the tiny-ass digital raws. Here's a slightly bigger version. I think I can make out 弾いて (play me), but that's it.