Kasin Em Delmisid is one of the main characters of Trump. He is currently the homeroom teacher and guardian of Hiasen
The Ajussi taking care of Hiasen. His Innate Mana is Air. He was a member of the Honorable Trump, holding a very high position, but he reside after getting custody of Hiasen. He always wears a serene expression and is able to make other feel at ease. Though he seems to act like an idiot, as far as Hiasen is concerned, he always follows his own plans and is terrifyingly cold minded.
- Kasin has been taking care of Hiasen since the day Ran left his son. He cares for Hiasen so much that he told him to wipe out his memories of his father. His love for Hiasen exceeds that of his care for his childhood friend Ran as was shown when he decided to sold out Ran's latest picture to Ten in order to erase all evidence pertaining to Hiasen's existance.
- In their childhood days, Kasin and Ran constantly fights because of Senika . This fight almost lead to Kasin's death and caused a severe injury to Ran. Once they were able to go to school, the two of them somehow settled their differences and were able to become friends. As of the moment, Kasin can no longer tolerate Ran's actions and decided that it would be best for Hiasen to forget his memories about him.