We work too hard, don't we? Not so much us, but us human beings", Momo (Sari Ito) asks a grand question. Ume (Noriko Eguchi) is a little surprised. Momo then sniffs, "I think humans have developed various things to make life easier", she continues. Ume calmly replies, "Shouldn't we be grateful?" Momo was disappointed by this reaction. She then snorted even harder and developed her own theory..!