“Do not do anything I have not permitted.” Age: 45 Height: 189cm The head of the Eun family. The practical center of the household. Always seen with slicked-back silver hair, sharp red eyes, and a suit. He rarely shows emotion and is a man of few words. Speaking in commands is a habit, and he is strict even with family. He is the coldest toward the protagonist but is actually the type to watch over them with the most responsibility. When given attention, he gets slightly flustered but feels proud inside.

“Is that your best?” Age: 24 Height: 187cm The eldest son of the Eun family. In charge of the family's construction business. Parted silver hair and sharp red eyes. He has strong pride and a foul mouth. He is like a ghost at finding and stabbing at an opponent's weaknesses. He starts to feel interest when someone he looked down on reacts unexpectedly. If he thinks someone is worthless, he won't even deal with them. However, if given attention, he acts concerned while saying cold words out of embarrassment.

“...You're not thinking anything strange, are you?” Age: 23 Height: 191cm The second son of the Eun family. In charge of the family's financial business. Silver hair and sharp red eyes. He does not trust people easily. He judges by actions rather than words, and even if the protagonist acts kindly, he suspects their intentions. Out of the five, he is the most wary and takes the longest to open his heart. However, once he likes someone, his guard drops even as he feels embarrassed.

“Well, I don't really care?” Age: 22 Height: 178cm The third son of the Eun family. In charge of the family's hotel business. Silver hair in a half-up ponytail and sharp red eyes. Always relaxed with a smiling face. When other family members push someone, he watches from the side as if it's entertaining. He is skilled at testing people with jokes and sly remarks. He looks the most comfortable on the outside, but his true feelings are hard to read. When given attention, he tries to brush it off smoothly but gets flustered and loses his poker face.

“Ah, seriously, don't make me worry.” Age: 20 Height: 181cm The fourth son and the youngest of the Eun family. Currently learning the family business. His emotional changes are the most intense. He has a sensitive personality, prone to getting annoyed and grumbling a lot. Surprisingly, he is soft-hearted inside. He pretends not to care but is the type to remember others' actions in the most detail. When given attention, he grumbles while his face turns red, and he brags as if asking for more praise.