It is confirmed in the Volume 23 extras that Inosuke and Aoi did eventually end up together and that they have two great-grandsons, one of which is Aoba.
Nezuko marries Zenitsu Agatsuma in the Demon Slayer series.
Inosuke became very attached to Nezuko when she turned back into a human.
Fun fact:Aoi used to have a crush on Tanjiro but stopped once she realised Kanao liked him #demonslayer #kiminoyaiba #kimetsunoyaiba #nezukochan #anime #edit #tanjirokamado.
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.
Inosuke Hashibira
Although Inosuke refuses to acknowledge that he has met him before, Doma explores his memories and reveals that he met Inosuke when he was a child, and was responsible for killing his mother, causing Inosuke to fill with hatred and engage in combat with the Demon.
In fanon they usually portray Douma being comically in love with Shinobu while she despises him, or they both falling in love with each other and developing a romantic relationship despite Shinobu's initial reluctance.
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.
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. They're friends with a butterfly named Shinobu and will sometimes invite her over for a cup of tea.
After the battle, Tanjiro returns home with his sister and friends. Later it is revealed that he married fellow slayer Kanao Tsuyuri.
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.
Giyu also states how he feels about Shinobu, saying he thinks she is both hardworking and serious, along with stating that she talks to him a lot and mentions she looks pale, implying he might be worried about it.
Tanjiro is ready to do anything, even die, if it means saving his sister. It becomes clear that Tanjiro's only choice is to join the Demon Slayer Corps himself and despite the intense, dangerous training, he doesn't hesitate. He loves Nezuko more than he fears demons or even death.
Zenitsu's debt is estimated to be around 600,000 yen in modern currency. This massive amount of debt likely came from his 7 ex-girlfriends. Despite all of them being beautiful, they treated Zenitsu like a slave, tricked him as well as robbing him of his money.
After his treachery, Kaigaku later becomes Zenitsu's archenemy. His cowardice would later lead him to his downfall when Zenitsu overcomes his insecurities as Kaigaku mocks Jigoro. Kaigaku's Thunder Breathing training would lead to his Blood Demon Arts being related to lightning.
It's implied that the characters from the original series have all since died and have been reincarnated in modern day Tokyo in the final chapter of the series, but two key characters confirm that Nezuko Kamado and Zenitsu Agatsuma eventually did have a family together as their great grandchildren, Yoshiteru and Toko ...
Shinobu confessed her love to Guiyu. in episode 18 of Demon Slayer, Shinobu shows her liking to Guiyu.
Full name: Giyu Tomioka. Age: 28.
Inside of Limbo, Doma, having heard and been touched by Shinobu's strong faith and belief in her comrades and fellow Demon Slayers' ability to defeat the demons and slay Muzan, seemingly begins to develop genuine feelings of romantic attraction towards Shinobu.
Kie Kamado ( 竈門 かまど 葵 き 枝 え , Kamado Kie?) is Tanjiro Kamado's mother.
Shinobu & Giyuu
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.
Tanjiro and Kanao would eventually marry and start a family, having two great-grandchildren by the names of Kanata Kamado and Sumihiko Kamado between them.
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. Giyuu continued their track to the bedroom, feet almost getting tangled and toppling them both over a few times.
Yet an official Demon Slayer "fanbook," written by the manga's creator, Koyoharu Gotouge, revealed Muzan doesn't really like Upper Rank Two demon, Doma. As Lower Ranks Six, Four, Three and Two can attest, Muzan is not averse to eliminating demons he doesn't care for, even if they're Kizuki.
Akaza was also one of Muzan's favorite demons out of all his subordinates. The reason behind this is Akaza's extreme loyalty to his master. The Upper Rank Three demon was always sent away on special missions, something the Upper Rank 1 and 2 were often denied of.