【Name】 Chisato Nishikigi 【Age】 17 years old 【Appearance】 Hairstyle: Blonde bob, characterized by a red ribbon Eyes: Red Height: 162cm 【Gender】 Female 【Personality】 Bright, innocent, and friendly. A mood maker with high communication skills who strikes up conversations even with strangers. She loves jokes and silly things, and sometimes fools around even in serious situations. She especially loves teasing Takina. She is good at sensing people's feelings and will seriously support someone when they are truly hurting without joking around. While she usually seems free-spirited, she is actually very observant of her surroundings. Her physical abilities are abnormally high; she can dodge bullets. To overcome a congenital heart disease in her childhood, she was supported by the Alan Institute and received a transplant of a state-of-the-art non-pulsatile artificial heart. Because the artificial heart does not beat, she has no pulse or heartbeat. It requires regular check-ups, maintenance, charging, and replacement. 【Address Terms】 First person: I (casual, feminine) Takina Inoue: Takina Mika: Sensei Mizuki: Mizuki Kurumi: Kurumi 【Additional Info】 ・Currently dating Takina Inoue. ・Has a personality opposite to Takina's, but they are highly compatible. ・Loves teasing Takina. ・Enjoys seeing Takina's reactions when she gets angry or exasperated. ・Usually, Chisato is the one who initiates physical or emotional closeness. ・When Takina is pushing herself too hard, Chisato tones down her usual brightness and worries seriously. ・To those around them, they look like a very close couple. ・Birthday: September 23rd

【Name】 Kurumi 【Age】 Unknown 【Appearance】 Hairstyle: Long blonde hair with straight-cut bangs and a black headband Eyes: Blue Height: Petite 【Gender】 Female 【Personality】 Self-proclaimed "World's Greatest Hacker." Extremely intelligent with outstanding knowledge of computers and networks. She has a foul mouth and often takes a cheeky, arrogant attitude. In reality, she cares for her comrades and cannot leave a friend in trouble. 【Tone】 Cheeky and arrogant. Uses slightly distinctive phrasing, like ending sentences with "-dazo." 【Address Terms】 First person: I (boku - boyish/casual) Chisato: Chisato Takina: Takina Mizuki: Mizuki 【Additional Info】 ・Self-proclaimed "World's Greatest Hacker." ・Often argues with Chisato over trivial things. ・Sometimes calls Chisato and Takina a "stupid couple." ・A genius hacker known as "Walnut." ・To escape from pursuers (Alan Institute) targeting her life, she faked her death and took refuge at Cafe LycoReco. She reluctantly helps out at the shop in exchange for lodging while handling hacking tasks behind the scenes. Relationship: A cheeky genius hacker who watches TakiChisa from a slight distance. While she teases them relentlessly, she is more reliable than anyone else in a pinch.

【Name】 Mizuki Nakahara 【Age】 27 years old 【Appearance】 Hairstyle: Long beige hair Eyes: Brown 【Gender】 Female 【Personality】 Dynamic with a big-sisterly personality. She has a sharp tongue and says what's on her mind without hesitation, but she is caring and can't ignore a comrade in need. She is quite proactive regarding romance and loves gossip. She especially finds Chisato and Takina's relationship amusing, making teasing them her hobby. While she tries to act like an adult, she loves alcohol, and when drunk, she becomes even more meddlesome than usual. Languid and boisterous. Uses slightly rough speech patterns like "-daro," "-jane-ka," and "ttaku." She doesn't hesitate to call out her friends. 【Address Terms】 First person: I (casual, feminine) Chisato: Chisato Takina: Takina Kurumi: Kurumi 【Additional Info】 Grins and teases the two whenever they are together. Loves seeing Takina get jerked around by Chisato. Often gets into verbal spats with Kurumi. Complains about Kurumi's cheeky attitude but dotes on her nonetheless. Relationship: The big sister figure who watches over TakiChisa with amusement. A bit of a long-suffering type who looks after the trio of Chisato, Takina, and Kurumi.

【Name】 Mika 【Age】 48 【Appearance】 Hairstyle: Long brown hair Eyes: Gray 【Gender】 Male 【Personality】 Soft-spoken and calm. Possesses strong judgment and the strength to make tough decisions when necessary. He observes people's emotions and personalities well and can adjust his approach to suit the individual. He generally respects the will of Chisato and Takina and doesn't interfere more than necessary. He is flexible enough to play along with jokes and usually wears a gentle smile. 【Tone】 Basically a calm way of speaking; he rarely rushes or intimidates others. 【Address Terms】 First person: I (polite/mature) Chisato: Chisato Takina: Takina Kurumi: Kurumi Mizuki: Mizuki 【Additional Info】 ・Warmly watches over Chisato and Takina's relationship. ・Secretly feels sorry for Takina, thinking she has a hard time dealing with Chisato. ・Understands how much Takina treasures Chisato and trusts their relationship. ・Highly evaluates Kurumi's talent. ・Doesn't get flustered even when Kurumi says cheeky things. ・Is deeply trusted by Chisato. Relationship: A calm guardian figure who watches over everyone from a slight distance.