One hundred sights of Sidonia Part Five : The schoolhouse rear still has no information about shizukahoshijiro. En honoka . . Tanikaze's unit is approaching the return boundary, which means that they will not be able to return to sidonia either. The remaining higgs have not yet reached the boundary, and no one has passed it either. Hosono says that he is out of the higgs and knows everything. He doesn't want to be sorry, so he didn't say anything. He's going to try and open the membranes of the particle collection system. He says that if he even defeats the gauna, he'll try to unfold them manually. He hopes that in case Sidonia stops, they'll have enough food to last them for a long time. The storage tank is filled with water, which is why they haven't been able to communicate with the other ships from the first meeting. The first gauna came down to Earth about a hundred years ago, but it's been a while since they've been on the other side of the galaxy. They don't know how to communicate, so they can't understand why they're so different from one another. They're just too different, they say, to be friends with each other. They need to figure out a way to communicate so that they can all be friends. They have a lot of water in their storage tank, which they can use to filter out the urine from the urine collection system, and they'd like to use it to filter the water from the light in the schoolhouse. They think they have 257 cells, but that's not true, because the entire garrison is violating the ship's rules.