Shuumatsu Train Doko e Iku? Episode 4 English Subbed Episode Title: Why Are You Hiding Your Butt? Episode Description: As the girls contemplate how long it will take to reach Ikebukuro, Akira hides the growth on her back. When the train arrives at Musashi-Yokote Station, the girls are forced to keep moving when they come under attack from a herd of humanoid goats. That night, the girls decide to take turns driving the train to give Shizuru a chance to rest, and Akira remains in denial that something is growing on her back, fearing it is a mushroom. The train then arrives at Koma Station, but the girls decide to keep moving when they see the area infested with living turnips...