This Maricha couldn't do such hard work at all and has caught nutritional disorder as well.(Not to mention she has no strength in the first place)Well?
Maricha ish a shpecial yukkuchi who ish born with awll the lend off the world in hand je?Therefore after the sugar left in their skin, hair, eyeballs is burnt, and energy stored in their body is completely dried up--Energy is being used as long as yukkuris are alive, but they couldn't get energy from their meals.
In this way, yukkuris' bodies lose vitality rapidly.
However, born with the power of mixing arrogance like "Eaten sweet-sweets" and "Yu herself is taking easy" with their thoughts, they can't notice that they are developing symptoms of fasting and malnutrition.However, the amount of contained energy of generated pastes depends on food which is regarded as pastes materials.
Since yukuline is nothing but "the feel of sweetness", it does not provide any energy when taken.Yukkuris are incredible pests that digest everything eaten into pastes as long as it's not poison.