(W/A/CA) Miura Tadahiro Kogoroshi and the others are on a mission to explore the Seven wonders of Yukemori High School! First up: a mysterious staircase that always seems to show girls' underwear. What strange powers are at play here? Then the gang takes off on a seaside adventure, exploring a secluded oceanside hot spring where Matoro and Norika prepare to finally throw down!