Despite the outward animosity that Sanemi displays towards Genya, keen observers of the series will notice glimpses of a deeper bond between the two brothers. Beneath Sanemi's tough exterior and harsh treatment lies a hidden motive driven by a profound love for his younger sibling.
It is revealed during the battle with Kokushibo that despite the whole incident, Sanemi still heavily cared for his younger brother and actually wanted him to live a normal life without the threat of demons. Genya is moved to tears and apologized after hearing Sanemi's reasoning behind his rudeness.
In fan interpretation, Sanemi is often depicted as smitten with Kanae, and too frightened to make the first move, fearing she might reject him.
Genya Shinazugawa is the student of Tokyo High School and Sakura Igarashi's crush. He is also the Sanemi Shinazugawa's younger brother. He later snatches Demons Driver from Hikaru so, Genya can temporarily become Kamen Rider Over Demons to stop the chaos by Fenix & Demon Slayer Corps.
Despite this, he remained human, able to handle sunlight without issue. Genya was killed by the Upper Moon 1, Kokushibo, but not before helping the others take him down. As he was dying, his brother Sanemi regretted how strained their relationship have become, and wept as he begged the heavens to spare Genya.
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.
In the simplest terms, the reason that Genya can't use Breathing Styles stems from his inability to achieve the total concentration breathing that other demon slayers use in order to access their abilities.
GenMui is the slash ship between Genya Shinazugawa and Muichiro Tokito from the Demon Slayer fandom.
Unknowing that his mother was the demon, or "wolf", Genya screamed at Sanemi and labelled him as mother's murderer, an action that he reminisces regretfully.
Genya remains loyal to the Darkling, but his nichevo'ya mutilate her when she betrays him to help Alina escape in Siege and Storm. She joins Alina and helps in taking the King down. She marries David Kostyk and becomes a member of the Grisha Triumvirate.
Sunemi Shinazugawa is known for his grumpy, standoffish personality. and for wearing his scars like trophies. He even goes as far as to wear his shirt open. to keep his healed battle wounds on display. If you don't know the wind, Hashira is proud of all his scars.
Sanemi and Giyuu are married and live in hollowed out tree near a bunch of glowy mushrooms. Sanemi works at a construction site while Giyuu is a humble fisher.
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.
His ill-tempered traits and brash way of speaking is much like his older brother Sanemi Shinazugawa. However, all Genya truly wants is to be accepted by his older brother. After Genya learned the truth about why Sanemi killed his mother, he kept trying to apologize to him, only to keep getting rejected.
MuiNezu is the het ship between Nezuko Kamado and Muichiro Tokito from the Demon Slayer fandom.
Genya Safin is a Tailor for the Queen of Ravka who was tasked with spying on Alina Starkov and poisoning the King.
Genya is the first of all Grisha to share her specific talent, and she is curious, knowledgeable, and kind. But she is also tool used by the Darkling to endear himself to the royal family by gifting her talents to the queen (and making her body easily accessible to the king, who sexually assaults her).
Sanemi's cold, rude, and dismissive behavior is the result of losing too many people he cared about in the past. Later, when he sees those people who have passed, such as his mother, he can't help but give her a smile to be able to see her again.
Demon Slayer: Kimetsu No Yaiba, Volume 20 continues as the Demon Slayer Corps' initial confrontation with the most powerful of Muzan's demons, Kokushibo, has left Tokito severely wounded and Genya cut in half.
Kokushibo mentions that Genya is not the first Demon Slayer he has encountered that consumed demons to gain power. In contrast to his brash, somewhat abusive attitude when he was first introduced, Genya has become shy around women.
For a short amount of time, he can become a demon using his bite strength and his special digestive organs." Basically, as a result of his serious gnashers and iron stomach, Genya can devour demon flesh and gain characteristics like the sharpened fangs, frosted tips, and black pupils seen in the most recent episodes.
When he found out he had no talent as a swordsman, he felt mentally exhausted. His mental state pushed him into a corner. where he ended up eating a demon. Then he discovered this idiosyncrasy as his own ability.
Genya is always angry at others because of everything he has gone through in his early life. Every waking moment is an attempt to become stronger, even if it is at the expense of his life. He is doing this only for his brother to acknowledge him.