Ayuko Oka

Despite her small stature, this perceptive and clever girl plays a pivotal role in connecting others. After witnessing an intimate moment between Ueno and Tsubaki, she remains unfazed, instead turning her attention to befriending the socially withdrawn Urabe. Through her sharp intelligence and subtle meddling, she helps Urabe navigate her budding romance with Tsubaki. Ultimately, her persistent efforts allow her to become the very first true companion for the once-isolated and reserved Urabe.