Although Giyu maintains a cold and distant stance, among all the pillars, Shinobu is the one who understands him the most and has the best relationship with him. Shinobu says that Giyuu is hated by other people, which can seem mean, but in reality she actually supports him.
Although not everybody in the Demon Slayer Corps hates Giyu, it seems that only Sanemi and Iguro are the ones who have shown a little hostility towards him. Assumingly, Sanemi hates Giyu for his unbothered personality and his silence, which he took as a gesture of arrogance.
Giyu Tomioka
They have opposite personalities and initially seem to be at odds with each other, as Shinobu appears to be under the impression that Giyu is an airhead and a klutz, assuming he is spacing out in front of a Demon as she is trying to save him.
When Giyu later hears about Shinobu's death, he suddenly recalls her smiling face while being visibly shocked and upset by the news. This contrasts to his reaction to death of his other fellow Demon Slayers such as Kyojuro Rengoku, Muichiro Tokito and Genya Shinazugawa, whom he didn't react to as emotionally.
Shinobu sports a dark purple Demon Slayer uniform along with a white haori that previously belonged to her elder sister which has a butterfly wing like pattern. Although Shinobu portrays a friendly, constantly smiling and happy personality, deep inside she is angry at the fact that demons had killed her sister.
Shinobu's favorite past-time during missions is poking and irritating Giyu, according to a Taisho Secret. She worries about Giyu a lot since he seems like an airhead and got angry after he stopped her from defending him against a demon on Mt. Natagumo.
Shinobu is jealous of how bright Rengoku can be at times. She's confident in herself yes but, she just isn't as upgoing as he is.
Did you know? Shinobu confessed her love to Guiyu. in episode 18 of Demon Slayer, Shinobu shows her liking to Guiyu. when both hashira's were sent on a mission.
Basically giyuu has a secret lover that he has hidden from his fellow hashira's but another shocking thing is first he's gay and dating kagutsuchi kamado, the oldest child of the kamado family and oldest son to kei and tanjuro kamado, giyuu met kagu...
Giyu's inferiority complex and survivor's guilt. Beneath his seemingly unemotional and aloof attitude, Giyu suffers from an inferiority complex which he developed since his participation in Final Selection.
Giyu also suffers from an inferiority complex which he developed when his best friend Sabito sacrificed himself to save him, ever since then Giyu has been living with the guilt of not being able to do anything while his best friend sacrificed himself for him, this drives him to believe that he is not competent to be ...
Shinobu opened her mouth and Giyuu did so as well, deepening the kiss. Giyuu was huffing little puffs of breath between kisses, while Shinobu's lips were quirked in mirth at how affected Giyuu already was.
However, Giyu Tomioka does not marry anyone in Demon Slayer manga. While romantic subplots do exist in the series, Giyu's character arc focuses primarily on his growth as a warrior and his relationships with fellow demon slayers.
Shinobu Kocho is a capable Demon Slayer whose worthy of being the Insect Hashira. That being said, she's arguably the weakest Hashira when it comes to pure strength.
Sanemi is inarguably one of the strongest Hashira in Demon Slayer who has the potential to gain victory over Giyu. Both the characters possess immense speed and endurance, and they also can take on an Upper Rank demon head-on.
After the death of Kanae, however, Shinobu began to outwardly behave more like her sister and eventually developed her positive attitude and mannerisms to match while internally holding in her rage, which she later clarifies is fueled by her desire to continuously display the smile that her sister favored.
However, after his death, he accepted that he is wrong and that Heaven and Hell actually do exist. Doma also displayed what arguably is his first true emotion, love, when he proclaimed his love for Shinobu after finding her cute.
Who is Rengoku girlfriend? 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.
Gyomei Himejima claims that Sanemi had a crush on Kanae, though we do not have confirmation from Sanemi. We also do not know if these feelings were reciprocated. In Kimetsu Academy, Sanemi is claimed to enjoy talking to Kanae in his free time.
The fandom really started to get into this ship when Giyuu was seen visibly reacting to Shinobu's death in the manga, which is a lot for a stoic person like him. This is essentially a non-canon and tragic pairing, and they do not end up together in the reincarnated world post time-skip.
Shinobu has flaws, and she holds onto the ugliest parts of herself, her anger, her desire for violent revenge, and refuses to improve as a person and ultimately dies to those flaws and that's what makes her so unique and interesting.
Shinobu and Giyuu are not implied to be a couple, but there's a healthy portion of the fandom who read a little more into their combative interactions. Some even believe that Giyuu and Shinobu embody a bickering couple who are beyond comfortable with each other.
Shinobu musters strength for one final attack, successfully stabbing Doma through his neck with a poison strike. Shinobu triumphantly relaxes as Doma seemingly begins to die from the poison. However, Doma almost instantly recovers and bear hugs the Hashira, absorbing Shinobu into himself and eventually killing her.
Being one of the nine pillars of the corps, Shinobu takes her job very seriously. Apart from her strongest feats, she is loved for her easygoing smile, which she continues to maintain even if the situation is not in her favor. However, later in the series, it was revealed that Shinobu's smile is nothing but a facade.
Demon Slayer's Shinobu Kocho is the insect-breathing Hashira who, despite her soft voice and calm demeanor, is terrifying — especially to demons. Her cheery demeanor is a front for her sadism. This is most apparent in her treatment of the spider demons during the Mount Natagumo Arc.