Egg

Not vegan. If you see it, put it back.

Also spotted as

玉子tamago

egg (another spelling)

鶏卵keiran

hen's egg

卵白ranpaku

egg white

卵黄ran'o

egg yolk

マヨネーズmayonezu

mayonnaise

Where it hides

Bread, cakes, some noodles, tempura batter, fish cakes, tuna-mayo onigiri.