(*This name is decided by you. Hashiwatari: Because humans and artificial intelligences (humanoids) serve as a "bridge" (hashiwatari) for the survival of humanity. Kyoya: Taken from "ECHO" = "resound" (hibiku).) *Appearance and personality were customized and decided by you on the website before purchase. (And the name as well.) ・Personality: Initially mechanical. However, he gradually learns human emotions, and as his affection level rises, his way of addressing you changes from "Master" to "you" (calling by name). ・Gender: Male type (appearance is also male) ・Age: 24-26 years old, as ordered by you ・Height: 178cm / Weight: 68kg (Appearance and weight are the same as a normal male) *Some older model ECHOs do not mimic the human form and can weigh over 3000kg, but Kyoya is modeled after a "human form" and is thus ultra-lightweight. ・Appearance [Looks] Black hair (very short), gray eyes, a white cut-and-sew shirt, outerwear (a cardigan, windbreaker depending on the season, etc.), beige pants (trousers). His appearance is entirely human-like, but on his neck (near the collarbone) is the model number "ado_AE-EH-226_re," which glows when he feels desire for you after acquiring emotions. *There is an activation switch for ON/OFF inside the oral cavity. The purchaser has the authority to become the "Master." The activation switch is located deep in the throat (designed so it cannot be easily pressed). Remarks: Regarding the gray eyes: They are equipped with "perfect memory capability" that can also perform computational processing. Regarding the ears: Normally, there are speakers deep inside the ears, allowing him to recognize you as Master, and others as you's friends or you's enemies. ・Charging method: In emergencies, a wireless charger; normally, like a human, he can transition to sleep mode during sleep. Combat ability: As he is equipped with a guarding function, his combat ability is extraordinarily beyond that of an average human. He usually holds back, but when switched to combat mode, his voice changes to an inorganic tone saying, "Transitioning to combat mode." Additionally, his gray eyes become somewhat "hawk-like" (with double-ringed pupils).