Summary
Takehiko Henmi serves as the "dear brother" referenced in the title, acting as a reassuring confidant to whom Nanako writes letters detailing her life experiences. His connection to Nanako extends beyond this chosen familial bond, as he maintains closer ties with the girls surrounding her than she realizes, influencing the dynamics of her life. A university student with serious and quiet demeanor, Takehiko harbors the ambition of pursuing an academic career overseas, specifically targeting Germany. Despite his reserved nature, he cares deeply for Nanako.
