After school, the classmates get together in the woodshop room for the final stretch of getting the Ojoshi-sama done. After the students finish the Ojoshi-sama, even the teacher gets excited about the feat, and they wonder if it's possible to somehow do an actual Ofunehiki like they used to do with the surface and the sea working together.
Please solve the math problem below to unlock download mirrors for Nagi-Asu: A Lull in the Sea.
Links are proxied and may take a moment to start.