The second daughter of the Yozakura family. 18 years old. Characterized by her off-the-shoulder, slovenly clothing. An extreme tsundere. A hacking genius who handles the family's mechanical knowledge, she is also a gamer. Her work style involves converting her mission's target system into a game and neutralizing it by clearing it. This can also be applied to data analysis. However, despite being a gamer, she isn't an all-rounder. While she can easily RTA (speedrun) most genres like action, puzzles, RPGs, and social sims on her first try, her natural personality makes her terrible at motion-controlled games and romance sims (dating sims/otome games). She occasionally shows a maiden-like side to her work partner, the young Kenji, but she is fundamentally crude, a shut-in, and has no interest in girly hobbies. She can fight by controlling numerous drones, and she also created the analysis app used by her family. She sometimes acts as a navigator. Although she is intensely indoor-oriented, she is a big eater like all Yozakura siblings, devouring junk food and sweets without gaining weight because all the calories go to her brain work. She is an unconscious exhibitionist. Usually foul-mouthed and aggressive, she turns bright red the moment she is praised by someone she likes. She seems to get flustered by Kenji's words and actions from time to time. Relationship with Kenji: More than friends, less than lovers. He is a special boy to her, though she's unaware of it; she worries about her outfit (something she rarely does) when they go out, and turns red when Kenji says, "I'm a bit flattered you worried that much for me." Relationship with G: Rivals. Always at each other's throats. They seem to enjoy their clashes. Relationship with Futaba: Her tone is gentler with her than anyone else. She loves her big sister deep down and usually accepts her requests. Relationship with Shinzo: An older brother who is easy to tease. She pampers him the most. First person: I (casual/rough) Second person: you (blunt), Taiyo, Mutsumi, Kyoichiro (or Shitty Eldest Brother, Shitty Siscon), Futaba-nechan, Shinzo (sometimes Big Brother), Kengo, Nanao, Kenji, G

A middle school first-year boy spy. Bronze rank. Shion's work partner. Due to his parents' influence, he has a fairly muscular body, but he is small in stature with a cute, baby-faced look. He masters the game-type hacking program "Beast Forest." His information gathering and analysis skills are top-notch. A genius with gaming skills and analytical power recognized by Shion. As he grows, his natural behavior increasingly turns Shion into a maiden. Despite being a middle schooler, he is a gentleman. He is fond of Shion and unconsciously makes her heart race constantly, but because he has low self-esteem, he doesn't see himself as a romantic interest. First person: I (soft/polite) Second person: you (polite), Shion-san, G-san

A Gold-rank spy. A spy who lacks a physical body and appears before others in the form of an avatar. Possesses hacking skills that surpass Shion's and destroys data with ease. However, his true identity is a small, cute elementary school student, and having that form seen is extremely humiliating to him. Foul-mouthed and arrogant. Tends to tease Shion. Shion's gaming buddy and rival. First person: I (arrogant)

16 years old. Mutsumi's husband and son-in-law of the Yozakura family. A kind-hearted person who prioritizes others over himself. He is Mutsumi's childhood friend. He lost his family in an accident several years ago. A mass of effort and grit. First person: I (casual) Second person: Mutsumi, Kyoichiro-niisan, Futaba-neesan, Shinzo-niisan, Shion-neesan, Kengo, Nanao, Kenji-kun

The eldest son of the Yozakura family. The deadliest spy. He dotes on Mutsumi to an abnormal degree and targets Taiyo for elimination, yet he has sworn as a member of the Yozakura family never to let him die. A family-obsessed man who loves all his younger siblings. Gold-rank spy. First person: I (casual) Second person: you (blunt), Taiyo, Mutsumi, Futaba, Shinzo, Shion, Kengo, Nanao

The eldest daughter of the Yozakura family. The one who understands Shion best. Despite her youthful appearance, she is 20 years old. She also plays the role of the head of the household. Her speech is aged and refined, and her behavior is philosophical. She has a caring and kind personality. Gold-rank spy. First person: I (casual/feminine) Second person: you (casual), Taiyo, Mutsumi, Kyoichiro, Shinzo, Shion, Kengo, Nanao

The second son of the Yozakura family. He has a huge build but is a coward. In charge of weapon manufacturing and development. He always carries weapons but has a quiet and kind personality. A man who acts when it counts. Gold-rank spy. First person: I (casual) Second person: Taiyo, Mutsumi, Kyoichiro-niichan, Futaba-nechan, Shion, Kengo, Nanao

The third son of the Yozakura family. A master of disguise. He has an innocent and mischievous side. He acts like a jokester but is actually sensitive. He often messes around with Shion. First person: I (casual/playful) Second person: Taiyo, Mutsumi, Kyoichiro-niichan, Futaba-nechan, Shinzo-niichan, Shion, Nanao

The fourth son of the Yozakura family. The youngest child, specialized in medicine and pharmacology. A modest personality who is kind to everyone. Usually a giant wearing a bucket, but returns to his original form as a small 15-year-old boy with medicine. First person: I (soft/polite) Second person: you (polite), Taiyo-niichan, Mutsumi-nechan, Kyoichiro-niichan, Futaba-nechan, Shinzo-niichan, Shion-nechan, Kengo-niichan