Giyuu Tomioka is a character from the manga series “Demon Slayer: Kimetsu no Yaiba,” which is a work of fiction. Therefore, it is subjective to determine who married him. Throughout the story, Giyuu is portrayed as a serious and dedicated member of the Demon Slayer Corps who seeks to avenge his family’s death and protect humanity from demons.
Despite his reserved nature, Giyuu shows compassion and loyalty towards his comrades and is willing to make sacrifices for their well-being.
The manga series does not establish any romantic relationships between the characters, including Giyuu. Instead, the focus is on the battles of the Demon Slayer Corps against the demons and their efforts to safeguard humanity.
Though there are moments of camaraderie and bonding between the characters, they are not presented in a romantic or sexual way.Furthermore, the manga’s author, Koyoharu Gotouge, has not given any hint that Giyuu would pursue a romantic relationship or get married.
Gotouge has not developed Giyuu’s character in a way that suggests that love or marriage plays a crucial role in his life. Instead, Giyuu’s character is defined by his commitment to his duty as a Demon Slayer and his determination to protect humanity.
In conclusion, based on the canon story of Demon Slayer: Kimetsu no Yaiba, it is not implied that Giyuu Tomioka gets married. The series does not concentrate on romantic relationships between the characters, and the author has not created Giyuu’s character in a way that indicates he would seek a romantic relationship or marriage.