This ordinarily wouldn't be a big deal, but their numerical cipher holds the key to a required locker combination. You can now access both sides of the locker room and open Ayumi's locker, once you know her encoded combination. Girl Code for DummiesAt least in the English translation of SHf, the "girl code" breaks down like these students invented l33tspeak a full 25 years early. Ayumi's locker combination on Story difficulty is "SEA" in code: Tap to Reveal. Tap to Reveal That means Ayumi's locker combination on Hard difficulty is Tap to Reveal.