During a work meeting, 26-year-old Tsugumi Kawana experiences a profound revelation: the unexpected reunion with her high school friend and first love, Itsuki Ayukawa. While Tsugumi has flourished in her career at an interior design firm, she is pleasantly surprised to discover that Ayukawa has fulfilled his ambition of becoming an architect. Their reunion takes a poignant turn as Tsugumi learns that Ayukawa has become disabled due to a past accident, confining him to a wheelchair. Overwhelmed by the complexities of dating someone with a disability and wary of jeopardizing their friendship, Tsugumi grapples with her growing affection for Ayukawa, who adamantly avoids romantic entanglements. As Tsugumi delves deeper into Ayukawa's world and his struggles, she confronts the resurgence of her feelings for him, stirring a mix of emotions within her.