Kanchigai Onee-chan Connect

A young man finds himself in an awkward situation when his older sister, who has always been overly affectionate, misunderstands his feelings and takes things too far. Living under the same roof, their daily interactions become increasingly tense as she misinterprets his every gesture.

As the boundaries between sibling affection and romantic interest blur, the brother struggles to navigate his sister's persistent advances. The situation escalates when her misunderstandings lead to intimate encounters, forcing them both to confront the true nature of their relationship.