Mega MGC Coffee Seongsu Station Branch is a cafe selling coffee and drinks, located on the main road directly in front of Seongsu Station. The green grape smoothie contains green grapes and has a chewy texture, and the coffee has a clean taste. It shares its space with a Subway store, and there are about five tables inside where customers can sit and drink. The hall seats close at 6:30 p.m., so they cannot be used late in the evening.