Monster Storage Maison Mangwon is a cafe in Mangwon-dong, Mapo-gu, Seoul, selling coffee and lattes in a Portuguese style. It sits two minutes from Mangwon Station Exit 2 toward Mangwon Market. The Portuguese egg tarts have a thin, crisp pastry with soft cream inside. The entrance in the alley is European in style, the interior is modeled on a European home, and outdoor tables are available.