The Summer Hikaru Died, Vol. 8 by Mokumokuren

After closing the hole, “Hikaru” is stuck on the other side, and he tries desperately to return to fulfill Yoshiki’s only wish. As luck would have it, he finds a way back…but at what cost? Meanwhile, as the mark on Yoshiki’s body spreads, Kurebayashi grows worried about him and offers to close the next hole herself. But perhaps someone else’s ulterior motives are at work behind the scenes…