"Deca" or "deka" is a prefix in the metric system denoting a factor of ten. Therefore, 1 Deca (or deka) meter equals 10 meters. This prefix is part of the International System of Units (SI) and helps in expressing larger or smaller measurements in a compact form.
The term "Mutsuri-s Lewd" seems to relate more to cultural or specific artistic expressions. Without direct correlation to standard measurement systems, it might pertain to character designs, anime, or manga, where proportions and measurements play a significant role in character aesthetics. K Cup 1m 10cm Deca areola pie- - Mutsuri-s Lewd...