How to write ン (n) in katakana

ン closes a syllable with n; in loanwords it often stands for an n or m sound before another consonant. Where its shape came from is still debated. It takes two short strokes: the first from the top left going down and right, the last ending at the right. You will see it in loanwords like イン (“in”), オン (“(switched) on”) and ガン (“gun”).