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.
IT. Also people always say he's depressed because he has no friends, but I have depression and friends. And they're ignoring the only valid reason he might have depression at all: seeing his friends and family get killed in front of him.
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 ...
How nobody knew about Giyuu's suicidal ideations, not even Uzui, was shocking. Thankfully, no personal information was revealed about Giyuu's health aside from incredible lack of sleep.
After the death of Tsutako, Giyu tried to tell others that she was killed by a Demon, however, he was labeled as mentally ill and was sent away to one of his relatives, a doctor. Giyu ran away during the journey there and almost died on a mountain, but he was rescued and became apprenticed under Sakonji Urokodaki.
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's tragic backstory starts with the loss of his sister, Tsutako Tomioka, who sacrificed herself to save him from a demon. Instead of believing this child's words, he was labeled as crazy by the masses and sent away.
Many fans theorize that Giyuu's dead eyes and cold attitude is a result of his grief for Sabito's death, as it is seen in his flashbacks that his personality was used to be a lot more open prior to losing Sabito, most notably that the "light" in his eyes disappeared.
When Tanjiro is presumed dead after the battle with Muzan Kibutsuji, Giyu cries and blames himself for not being able to protect him. When Tanjiro becomes a Demon, however, Giyu shows little hesitation to attack him with the intent to kill unlike others who are close to Tanjiro.
When Shinobu's death was released and announced by the crow, you could read Giyuu's thoughts easily as it was literally shown on his face. It was more heartbreaking for him to see probably the only pillar, who he considered a close friend die.
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.
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.
The Wind Hashira has one of the saddest backstories in Demon Slayer. His mother had turned into a demon and had killed five of his siblings. He was forced to kill his own mother in an attempt to save his only remaining brother, Genya.
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.
He loses an arm during the final battle against Muzan but survives after the demon is killed. In the Reiwa Era, Giyu's reincarnation/descendant is a child named Giichi, who is close friends with Sabito and Makomo's reincarnations.
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 would still instruct Tanjiro to train to become a Demon Slayer with Urokodaki. As there is no Nezuko, Tanjiro would have no reason to pity demons, and he'll be much more harsh that he would be if Nezuko was alive. Tanjiro would still manage to kill the Hand Demon and come back alive to Urokodaki.
4 Giyu Tomioka
It was still impressive, nonetheless, and even with the injuries he sustained, Giyu managed to contribute a lot in the final fight against Muzan and ended up as one of the few Hashira to survive the fight. All in all, Giyu very clearly stands among the strongest Hashira in the series.
The term “Fake Hashira” acts as a way to remind Guys of his shortcomings and how things could have been different if his friend survived. Ever since Sabito's death, he had this inferiority complex, began distancing himself with others and told himself that he's not worthy of being a Hashira.
He has developed an additional technique to Water Breathing, which he alone knows. He loses an arm during the final battle against Muzan Kibutsuji, but survives after the demon is destroyed.