>>Yukkuri Idol ? :p Actually it is, this section of the factory is specialized in breeding Singing Reimus and any child who doesn't know how to sing is killed.
>>They probably injected alice with something, seeing how some of the koyukkuri are pregnant. If we consider that Alice is relentlessly raping Reimu, Reimu's body has a lot of custard inside and some of it might leak into the children and impregnate them.
First panel Reimu: Yu~bbblblblblblgrhhhhhk Anon: Not good at all~! Caption: Here, the Reimu-types with no redeeming features are subjected to daily research, while making sure they can take it as easy as possible.
Second panel Top, large Reimu: NWOOOOOO!! RWEIMU'Z BWABIEEEEEZ!! Alice behind it: nhoooo~ Right black box: (I can't discern the kanji on the last line, something about sorting the Reimus who cah sing properly) Left black box: If you don't want your babies to be crushed, hurry up and give birth to babies that can sing! Large Reimu's headphones: Easy days~, refreshing days~ Two identical bubbles below that: Yhu- Upper bubble to its right: Yunyaaaaa Below that: Nwo mwooore
Below left black box: It'ch like I'm flying in je shky! Below and to the left of that: I gotch bworn eajy! Below that: Yugeeeee I'm getching crushed Below and to the right of that: This shit's really good! Right of that: Lishen cho Reimyu's shong! Right of that: Yu~ Yu~~ Yu~~ Sign below that: Babies who can't sing go here
Caption: This was a notice from Yukkuri Factory, the corporation that creates happiness for the Reimus. (Poorly worded, yes, but this is what it says)