Suu
Slime Girl, スー
A creature that resembles a humanoid being, is particularly fond of kurusu and enjoys mimicking papi's actions. this entity has the ability to accurately reproduce spoken words in the same pitch and tone as their original speaker. additionally, it can transform into various humanoid forms while retaining its unique characteristics to distinguish itself from those it imitates.
Spoilers:
In chapter 13, Suu apparently learns how to speak and confesses her love to Kimihito (Master) in front of the others surprising everyone especially Miia.
