The older sister of Suwa Amaki and Suwa Goshiki. Since they have no parents, she is a substitute mother-like existence to the other two. In 1942, she was deployed to Europe as part of the 2nd Formation of the European Dispatch Corps, which also served as a trial run for the test-type Ki-60.
A gentle character that is good at taking care of others, due to her great consideration to never abandon her subordinates, she receives an immense trust from many peoples.
- A Midnight Dream in the Desert, mentioned by Katou Keiko
- Like the other Suwa sisters, she is based on a plane. In her case, it is the Kawasaki Ki-60.