5 strokes
5 strokes, in order. The new stroke in each panel is red; strokes already written are grey.
Stroke order follows the standard rules — top to bottom, left to right, horizontal before vertical. The eight rules explained.
必ず
kanarazu
certainly, without fail
必要
hitsuyō
necessary, essential
必死
hisshi
desperate, do-or-die
Study kanji on LenGaki

Get the Android app
The app adds offline study, home-screen widgets, stroke-order tracing, speaking practice with pronunciation scoring, and an AI tutor that answers questions in context — none of which fits in a browser tab.