Chuuchu = the sound of sucking Lovely Munimuni = the sound of squeezing something soft Muramura = the sound of being horny Purinpurin = the sound when some scandalize cleavage is showing Boron = the sound when something pops out Nururu = the sound of fingers moving in "wetness" Rerorero = the sound your tongue makes moving around
https://primanota.net/maximum-the-hormone/chu-chu-lovely-muni-muni-mura-mura-purin-purin-boron-nururu-rero-rero-chords.htm