Question: what do vegetarians eat in japan?
Answer: Mochi 餅 ... 
Eggplant/nasu なす (and other vegetable side dishes) ... 
Kushimono 串物 ... 
Pickles/tsukemono 漬物 ... 
Daikon 大根 ... 
Beans/mame 豆 ... 
Nori seaweed (and kelp) 海苔 ... 
Tofu 豆腐