Ttam Ttam Nine One Hannam is a Vietnamese-Asian restaurant in Gomei 494, Nine One, Hannam, Seoul, serving pho with gopchang (grilled intestines) and bun cha. The spicy gopchang pho comes in selectable levels of heat and includes generous amounts of gopchang and gopi. At 12:30 p.m. on a Saturday there was no line, and ordered food is picked up directly. The spice and herb flavors are mild.