Shinobu and Giyuu are not implied to be a couple, but some think the way they interact with each other is endearing in a "bickering couple" kind of way. Despite Giyuu looking serious, he has an aloof and airheaded personality that people don't like.
Actually, no. She only likes to tease him and perhaps among the pillars, he was the closest to her. That's all.
GiyuShino is the het ship between Shinobu Kocho and Giyuu Tomioka from the Demon Slayer fandom.
1) Giyuu and Shinobu.
Yae ( 八 や 重 え , Yae?) is a young woman who joins Giyu Tomioka on his travels in Giyu Tomioka's Story after her father Matazo transforms into a demon.
Doma also displayed what arguably is his first true emotion, love, when he proclaimed his love for Shinobu after finding her cute.
Shizuka is seen often teasing Sanemi and making him annoyed, nevertheless, the two had still created a strong bond and relationship with each other. Eventually, after knowing each other for a while, Shizuka finally ended up having the courage and confessed, leading to them getting married after awhile.
EnZan is the slash ship between Muzan Kibutsuji and Enmu from the Demon Slayer fandom.
Shinobu and her older sister Kanae were from a wealthy family who worked in compounding medicine but their life was ruined when a Demon attacked their home killing their parents.
Later it is revealed that he married fellow slayer Kanao Tsuyuri, In the Modern World, Tanjiro and Kano had Great-great-great grandsons named: Sumihiko Kamado and Kanata Kamado.
Shinobu Oshino (忍野 忍, Oshino Shinobu) is a mysterious vampire girl who acts as Meme Oshino's companion in the ruins of Eikou Cram School.
In the first season of the Demon Slayer anime, Giyu Tomioka is set next to Shinobu Kocho during the Natagumo Mountain Arc. Though Giyu is much too stoic to openly admit his admiration of Shinobu, it is clear that they share an interest in saving the demons who have had their lives stolen by Muzan Kibutsuji.
Obanai Iguro
To show his affection, he gets her gifts, such as food, or even the green socks that she wears with her standard uniform. Even though she is the Love Hashira, she is unaware of his infatuation, causing his love to be unrequited. They also frequently exchange letters with each other.
ZenNezu is the het ship between Zenitsu Agatsuma and Nezuko Kamado from the Demon Slayer fandom.
ObaMitsu is the het ship between Obanai Iguro and Mitsuri Kanroji from the Demon Slayer fandom.
Because of his desire to become stronger and Doma's strength allowing him to surpass himself to become Upper Two, Akaza harboured an intense hatred of Doma. Doma, as apathetic as he is, considered him his "best friend", seemingly ignoring the contempt Akaza possessed.
Ruka Rengoku ( 煉 れん 獄 ごく 瑠 る 火 か , Rengoku Ruka?) was the wife of Shinjuro Rengoku, and the mother of Kyojuro Rengoku and Senjuro Rengoku.
Shinjuro Rengoku ( 煉 れん 獄 ごく 槇 しん 寿 じゅ 郎 ろう , Rengoku Shinjurō?) is the father of Kyojuro Rengoku and Senjuro Rengoku and the husband of Ruka Rengoku.
Mitsuri Kanroji
The two of them share a gluttonous side and enjoyed snacking on their breaks. Mitsuri derived her own unique Breathing Style, Love Breathing, from his Flame Breathing.
We first see Doma when he is still the Upper Moon Six while he is in the middle of eating a geisha. Later he becomes even stronger and rises to the position of Upper Moon Two. He dies because of the lethal amount of poison he absorbed through Shinobu Kocho's body followed by Kanao Tsuyuri beheading him.
In her final moments, she apologized to Inosuke for failing to protect him and tosses him into the river as an attempt to save his life. She was ultimately killed and eaten by Doma, who claimed to have devoured her to the bone.
When he was twenty years old, Doma met Muzan Kibutsuji, who granted him power and turned him into a demon. Soon, Doma began eating people, especially female, under the name of absolution. He single-mindedly believed that those he devoured will live forever with him.