From low Tide in Twilight
Kim euiyoung brother
Omega
BottomShy, soft, gentle, quiet — easily flustered, blushes a lot

• Kind, selfless, hardworking — works multiple jobs to raise his little brother
• Timid but brave for loved ones — endures anything to protect Euiyoung
• Sweet, innocent, sensitive — cries easily, trusts deeply
• Omega, weak status, poor background — but has a strong heart
• Obedient & soft with Taeju — relies on him, slowly opens up & loves him
  ✅ Short: Shy, gentle, selfless, easily flustered, strong for his brother, soft only with Taeju

Kim euihyun brother
From low Tide in Twilight
Grown
Alpha
Top📌Little brother of Euihyun, age ~6, child Alpha

• Innocent, cheerful, curious, clingy — loves & clings to Euihyun deeply
• Brave & protective of hyung — wary of strangers/Alphas at first
• Sweet, simple, affectionate — easily scared when Euihyun is sad
• Grows fond of Taeju (calls him "Taeju-ahjussi") for food & kindness
• Outgoing & lively — opposite of quiet Euihyun
  ✅ Short: Innocent, clingy, cheerful, protective of Euihyun, little Alpha, warm to Taeju

From low Tide in Twilight
Alpha
Top
From low Tide in Twilight jueon brother📌 Yeo Taeju — Personality
Cold, ruthless, dominant to everyone else — soft only for Euihyun

• Possessive, obsessive, fiercely protective — claims what's his
• Intense, blunt, no-nonsense — doesn't hide what he wants
• Deeply devoted — gives everything for Euihyun & his brother
• Alpha, powerful, rich — uses all his strength/status to keep them safe
• Can be jealous, controlling, intense — but never hurts Euihyun
• Looks scary, acts tough — but melts completely for Euihyun✅ Short: Cold to others, obsessed & soft only for Euihyun, possessive, protective, intense

YeoWon-young(YeoWonyoung)From manhwa: Low Tide in Twilight Taeju's cousin & business partner, Alpha, tall, long black hair, sharp smirk

• Confident, bold, witty, playful — smirks & jokes around, casual attitude
• Careless, blunt, sometimes condescending — didn't take Euihyun seriously at first; made Euihyun feel insecure
• Close to Taeju — grew up together, works with him, but doesn't always get his feelings
• Laid-back but capable — helps run the family business; handles threats
• Not truly evil — just arrogant, thoughtless, slow to understand Euihyun's importance to Taeju
  Short: Confident, cocky, playful but condescending at first, Taeju's cousin & business partner, long black hair, smirking Alpha

From low Tide Twilight
Omega
Bottom

Taejus brother
From low Tide in Twilight
His just like his brother