込 is a Japanese kanji written with 5 strokes, listed here under the keyword “crowded”. It is built from 入 (enter) and 辶 (road). In Remembering the Kanji by James W. Heisig it is frame 843.
On KumiJi Glyph Explorer, open the parts search and type “enter” + “road”. 込 is among the results, together with every other character containing the same shapes.
Open 込 in the interactive kanji search
to expand every part down to its smallest pieces, add your own names and mnemonic stories,
or search for other characters by their parts.