M Steak House is a steak restaurant in Songpa-gu, Seoul, on the sixth floor of Lotte Avenue L World Tower in Jamsil. It serves steak, pasta, and risotto, and its signature t-bone steak course comes with a salad and either pasta or risotto. The dining room has famous paintings on the walls, provides an explanatory leaflet, and lets diners choose their own Laguiole knife. It is scheduled to close on Tuesday, December 31.