Jojjo is a teppanyaki restaurant in Seongsu, Seoul, serving okonomiyaki and monjayaki. The menu includes Jojjo okonomiyaki, thick-noodle yakisoba, donpei-yaki, egg rolls, and mentaiko monjayaki. Staff grill the food on the teppan and diners can add as many sauces as they like, with an open kitchen and a warm waiting area on site. Evening waits run long: on a weekday after 7pm, 12 parties entered around 8:20pm, and in one case 23 parties waited.