The Shikai of Sui-Feng (Soi-Fon), the captain of Squad 2 and leader of the punishment squad from Bleach. Suzumebachi has the ability to place a butterfly shaped crest called a Homonka onto her enemies when she stabs them. If she places a homonka, and then stabs the enemy in the same place again, the Homonka will grow and destroy their body, killing them.
