Sweat Punch is a collection of five Studio 4°C shorts compiled into a direct‑to‑DVD package film titled *Deep Imagination*. The series opens with “Tanpetori Kyouju no Yuuutsu” (タンペトリー教授の憂鬱, *Professor Dan Petory's Blues*), a musical number that centers on a hand puppet named Junior. Junior is controlled by the inebriated Professor Dan Petory, who uses puppetry to answer questions such as why the Earth is blue and why UFOs fly in a zig‑zag pattern. The second short, “End of the World,” tells a science‑fiction story about a young alien girl named Yuko as she escapes from the world of humans. After meeting a human girl named Kazumi at a rock concert, the two head to Kazumi’s apartment. Before Yu…