Yes, and a pass with a honing steel every day to maintain the cutting edge between proper whetstones sharpening every few months.

don't use honing steel. at best it doesn't do anything, at worst it damages your knife.

here's a closer look at it with a microscope. https://www.youtube.com/watch?v=Y4ReQ83CZOQ

	▲	goopypoop 5 hours ago \| parent \| next [-]
		just a guy abusing his knife to prove he can't fix it using the wrong tool badly
	▲	ricardobeat 9 hours ago \| parent \| prev [-]
		Ceramic honing rod. Works amazingly well and is appropriate for japanese knives.