As expected, there were faint black lines running across the back of the leaf. If it weren't for Lu Xuan's careful attention, these hair-thin black lines would be extremely difficult to spot.,"According to this trend, in one or two days, this plant of spirit firefly will be occupied by the black thread, and it is very likely to spread to nearby spirit firefly plants.",The sapling needs to be nurtured by everyone. You read it, and I'll update it.。