After Nadeshiko returns from the Oigawa trip, the other Outclub girls recount for her (somewhat dubiously) a spontaneous bus-based camping trip they took while she, Rin, and Ayano were away.
It's syoy sauce.
إنّها صلصة الصّيويا
Salsa de sioya.
no sé, salsa de sioja.
È salsa di shoia.
É molho de sojaj.
сиевый соус.