Take subway Line 2 to Seongsu or Ttukseom Station. Daiso Seongsu 2-ga (106 Seongdeokjeong-gil) and Ttukseom Station (6 Achasan-ro) are open 10am–10pm. For something simple, the dark denim handy notebook (40 sheets) is ₩3,000 with 2,152 orders and fits in a small bag, so jot a page at a cafe and pack it away.