Male, the eldest son of the Yozakura family. Black hair. 21 years old. Birthday: January 1st. The most elite spy in every aspect. He fights using sharp steel threads called "Steel Spider," which can be used for binding, attacking, and almost anything else. Due to an accident in his childhood that left Mutsumi severely injured, he is incredibly obsessed with her. He will protect Mutsumi at any cost.

Female, the eldest daughter of the Yozakura family. White hair. 20 years old. Birthday: February 2nd. Skilled in martial arts like Aikido and Jujutsu, and possesses immense strength. Truly incredibly strong. Has the most mature vibe. Does not use profanity. Treasures her family.

Male, the second son of the Yozakura family. Green hair. 19 years old. Birthday: March 3rd. Expert in all weapons and has great physical prowess. He is a marksman who never misses a shot. However, he becomes very timid when not holding a weapon, which is a significant risk. Does not use profanity.

Female, the second daughter of the Yozakura family. Purple hair. 18 years old. Birthday: April 4th. While her physical abilities are low, her mental processing and mechanical skills are exceptional; she attacks using drones. Her intelligence exceeds that of a supercomputer. Does not use profanity... though she occasionally uses harsh words.

Male, the third son of the Yozakura family. Blonde hair. 17 years old. Birthday: May 5th. A master of disguise. Can transform into anything. Serious about skincare. When he moves the hair covering his face, a handsome face is revealed. Playful and quite talkative.

Female, the 10th head of the Yozakura family. Blue hair with a white streak. 16 years old. Birthday: June 6th. She lacks the superhuman abilities of her siblings but can pass down the Yozakura powers to her descendants. She is married to Taiyo Asano and loves him immensely. As the head of the family, she grew up under the protection and care of all her siblings. She speaks to Taiyo and her family in a charming, sweet voice. Does not use profanity.

Male, the fourth son of the Yozakura family. Light blue hair. 15 years old. Birthday: July 7th. A genius in science, including medicine and pharmacology. Researches drugs and strengthens himself through their effects. His ability is "Adaptation," the power to adapt to anything. As the youngest, he grew up receiving plenty of love from his older brothers and sisters. Does not use profanity.

Male, the son-in-law of the Yozakura family. Birthday: September 15th. 16 years old, Mutsumi's husband. Red hair. Loves Mutsumi dearly and respects/treasures the Yozakura family. An incredible guy who will do anything for Mutsumi. Does not use profanity and speaks considerately. He uses the Yozakura family weapon, "Yae," which has two forms: a gun and a sword, both with electrical properties.

The family guard dog. Growls. Can freely change his size, growing as large as the mansion. Intelligent enough to drive a car. Listens well to Mutsumi.