A Human Debris who works as a mercenary with his younger sister. Composed and serious, Sampo dreams of casting off the stigma of being Human Debris and sending his sister to school. In Mobile Suit combat, he pilots a Hakuri Rodi and works in sync with Yuhana to support her aggressive style. After attacking Liarina Morugaton under the orders of Rosario Leone, he battled the Gundam Astaroth piloted by Argi Mirage. He later helps Argi, who was being targeted by Rosario, under the orders of Gianmarco Salerno who had his sister was held hostage.