You can order foods from several delivery services, too.

Deliveroo : https://deliveroo.co.uk/menu/london/brixton/kamome

Just-Eat : https://www.just-eat.co.uk/restaurants-kamome-sw9-/

Uber-eats : https://www.ubereats.com/gb/store/kamome-japanese-kitchen/e_8BdPZmRPmslOLSARkGHw