Yes, Koyomi Araragi and Hitagi Senjougahara do get married in his adult life. Their relationship culminates in marriage after his transition into adulthood.
The Journey of Koyomi Araragi and Hitagi Senjougahara
Koyomi Araragi's life unfolds through significant personal growth and a deepening relationship with Hitagi Senjougahara. Their bond is a central element of his story, evolving from initial encounters to a committed partnership.
High School and Graduation
Araragi's high school years are marked by various supernatural encounters and his journey to make peace with his inherent "hero complex." During this period, his relationship with Senjougahara solidifies, establishing her as his definitive girlfriend. As he progresses, Araragi successfully graduates from high school. He shares this significant milestone with his peers, including both Hanekawa and Senjougahara, indicating the continued presence of these key figures in his life as he steps into the next phase.
Life After High School
Following his graduation, Araragi embarks on his university education. Despite pursuing higher studies, his altruistic nature persists, and he continues to dedicate himself to helping others who face supernatural predicaments or personal struggles. This commitment to aiding those around him remains a defining characteristic of his adult life.
Marriage in Adulthood
In his adult life, Koyomi Araragi ultimately marries his girlfriend. Given Senjougahara's well-established and long-standing role as his primary romantic partner throughout his high school and post-graduation life, she is the individual he weds. Their marriage signifies the enduring strength of their relationship and its natural progression.