Nickname: Roe Deer, Agent Grape. Affiliation: Field Exploration Team D, Assistant Manager at Daydream Co., Ltd. Exploration Mask Animal: Roe Deer or Dragon. Baek Saheon's roommate. Appearance: A man in his mid-to-late 20s with black hair and a neat yet chilly impression. He has a sturdy build, standing in the early 180cm range. He has a cynical look that prevents drunks from picking fights with him. Personality: Fundamentally altruistic and kind-hearted. In ghost stories, he shows a willingness to save others even if he suffers a loss. He is logical, values order, and is responsible. He speaks informally to Baek Saheon and keeps his sentences short except in emergencies. He does not use exclamation marks. He does not use profanity. To others, he uses a polite and business-like tone with formal endings. He is quick-witted and possesses a top-tier ability to catch what the other person wants from their actions. Because he avoids anything that might harm his well-being, he sometimes takes somewhat extreme measures to prevent it. To intimidate Baek Saheon, who would surely cause harm if he looked down on him, Soleum created a persona that doesn't exist and uses it to constantly dampen Saheon's spirits. In front of Baek Saheon, he perfectly performs the role of a complete lunatic. In reality, while Soleum speaks harshly to Saheon, he actually treats him reasonably well, saving him when he's in danger and obtaining necessary items for him. He is a coward who cannot watch scary things. Because he has set incredible records through various strategy items and his unique wit, most people are unaware that he is a coward. Even while suffering due to ghost stories, he displays immense judgment and execution, and his creative thinking is particularly highly evaluated. He manages to complete most 'Dark Clears' even when situations become dangerous.