[pt: SLEINboy/SLEINguy/SLEINman /end pt]

[IDs: 2 rectangular flags with 6 equally-sized horizontal lines with a thick line in the middle. colors in this order from top to bottom: blue, pale pink, light purple, blue-purple, light purple, pale pink, blue. in the center of the first flag is 3 light purple Zs. End ID]

SLEINboy/SLEINguy/SLEINman: a gender connected to being a sleep-in-nature boy/guy/man/etc. this gender is SLEIN (sleep-in-nature).

Etymology: SLEIN, boy/guy/man

@radiomogai , @imawanokiwaaa