I don't know if it's just me but I find it extremely bizarre how the artist continuously changes Ars' and Lilina's heights when it can clearly be seen on page 30 that Lilina is taller than Ars due to her being 16 and he only 10. However, due to social standards, either Lilina is drawn shorter...
@Pastafarian This is just my opinion and I didn't read the novel translation but Kuromu's subordinates(?) seems to have german numerals as their names.
Ein is correct (1)
Zekus = Sechs (6)
Ahato = Acht (8)
Noin = Neun (9)
Don't know if the author chose this on purpose but if it is then it would...