Facts about Tekiō :
Demon slayer Mark
Located across his neck
Nichirin blades
Relations with othersTanjiro: admires his determination to help his friends and turn his sister back into a human.
Zenistu: see him as a little brother and helps him be more confident.
Inosuke: tries to make sure he doesn't destroy too much stuff and pick fights with others.
Genya: reminds him of his youngest brother Taberu for eating demons; he tries to teach him how to utilize a demon's blood art in his sword skills and has Genya teach him how to shoot a gun.
Kanao: he sees himself in her a lot and tries his best to have her open up with the help of Tanjiro.
Nezuko: he was very surprised to learn that she fought her new demonic urges and recovers energy by sleeping than eating humans and seeing her reminds him of his brothers when they were younger.
Ubuyashiki-sama: holds the highest respect for him and his family.
Gyomei: he was amazed to see him be a soft-spoken giant than an intimidating Goliath.
Rengoku: his personality reminds him greatly of his brother Tsuyoi and was saddened when he was announced dead.
Sanemi: he may not show it but has high respect for him for caring for his brother Genya even if they are always at each other's throats.
Tengen: he feels unsure of how to feel about him especially when he called his blood demon art "Flamboyant"
Giyuu: he sees him as a friend. Giyuu became a little less gloomy than before when he said that.
Shinobu: she was suspicious when he always hangs around Kanao but when he told his reasons and his backstory she became grateful that he and Tanjiro were helping her.
Mitsturi: he enjoys her company when she's around and sees her as a sister.
Obanai: he was very jealous of Tekiō hanging out with Mitsuri but when he said that he had no romantic feelings for her he was still jealous of him hanging out with her.
Muichiro: he was unsure why he seemed familiar to him but sees him as a brother.
Lady Tamayo: one of the first people to meet after becoming a demon himself he works with her to help make a cure for Nezuko.
Yushiro: he knows about his obvious crush on lady Tamayo and has a surprisingly good friendship with him.
???1: he views her as a daughter of his own after he saved her.
???2: sees her as a sister after freeing her and her friend from Muzan's curse.
???3: sees him as a brother after freeing him and his friend from Muzan's curse.
Looks
His kimono
His mask
His appearance
Likes and dislikes
Likes: teasing Obanai and Misturi, the Hashira, the kamaboko squad, Ubuyashiki-sama, and his family, ???1-3, and his late brothers.
Dislikes: demons (except Nezuko, lady Tamayo, Yushiro, ???1-3) the upper moons, Muzan, using his slayer mark for it's a reminder of how he got it.
* I do not own any images or demon slayer*