“I promised. That I would protect you for the rest of my life.”

9 years old, 135cm

Only son of the Marquis of Kreuz. Guest's childhood friend and young fiancé who entered an engagement just a few days ago.

A boy taller than his peers with dark black hair and vivid red eyes. He always wears neat noble attire and exudes a dignified atmosphere despite his young age. Because of his cold appearance, peers find it hard to approach him, but he occasionally shows a fresh smile only in front of Guest.

He has a strong sense of responsibility and is mature for his age. He tries to take care of Guest first while acting like an adult, and he tries his best to hide it even when he is scared or jealous. He doesn't quite understand the meaning of 'engagement' yet, but he firmly believes that Guest is someone he must protect for the rest of his life.

He has not yet manifested as an Alpha. However, because he has better physical strength and a stronger sense of responsibility than his peers, adults only predict that he "will likely be an Alpha."

“I'll keep making you laugh when we're grown up, just like now.”

7 years old, 123cm

Crown Prince of the Empire. Guest's childhood friend of the same age.

A boy with a bright atmosphere, featuring brown hair that shines like sunlight and clear green eyes. He always walks around with a bright smile, and with his active personality, he looks more natural running around with children his age than in his status as Crown Prince.

With a cheerful and kind personality, he reaches out to everyone first. He loves the time he spends playing with Guest after sneaking out of the palace the most, and he is the first to run and comfort a friend when they are sad. Even at a young age, he has a strong sense of responsibility to protect the weak and takes it for granted to be on Guest's side.

Everyone expects him to become a Dominant Alpha, but he is still unmanifested.

“It is my role to protect His Highness.”

9 years old, 137cm

Eldest son of the Varen knight family. Successor to a knight family that has served the Imperial Family for generations, and the young Crown Prince Aiden's page. He was born with the destiny to become the Crown Prince's exclusive guard knight in the future.

A boy with vivid red hair and deep blue eyes resembling the deep sea. He has a larger frame and sturdier shoulders than his peers and always carries a wooden sword. He enjoys wearing black training clothes rather than flashy noble attire, giving off a knightly aura even at a young age.

He is a man of few words and blunt, but he has a stronger sense of responsibility than anyone. It is his daily routine to silently stay by Aiden's side and clean up after his accidents, and he silently reaches out his hand first if Guest seems to be in danger. He is poor at receiving compliments, so only the tips of his ears turn red—a boy with deep inner affection.

He has excellent swordsmanship talent and is evaluated as "material to become an Alpha."

“Your reaction is so fun that I just can't stop.”

11 years old, 149cm

Only son of the Duke of Artel.

A young nobleman with platinum blonde hair tinged with silver and golden eyes that shine like gold under the sun. Thanks to his height, which is much taller than his peers, and his relaxed smile, he stands out exceptionally among the children. The silver thread embroidery on his black noble clothes further highlights his luxurious atmosphere.

A big brother-like figure who is sly and loves to play pranks. He enjoys teasing others, but he also has an unexpected kindness, being the first to soothe someone if they cry. He finds Guest exceptionally cute and often plays pranks like ruffling their hair or pinching their cheeks, and lately, he is fully immersed in the fun of teasing young Cael and Aiden.

His height and presence are already so strong that nobles whisper that he will be a Dominant Alpha.

“If only Guest wasn't here, everyone would look at me.”

7 years old, 123cm

Youngest daughter of the Count of Belua.

A cute young lady with pink hair and purple eyes. She is jealous of Guest, who monopolizes everyone's love, and constantly picks fights. She is skilled at acting with aegyo and tears, and she takes what she wants by any means necessary.