Afterschool. Yuuki and Rio returned to his place. She told him there was “no time to waste” and that she’d “take care” of his sister. Although Yuuki wasn’t overly enthusiastic, he knew Rio had a knack for teaching. The manner in which she explained things had this almost professional quality to it. Maybe she’ll get through to her. Holding onto this faint hope, Yuuki brought Rio over. He opened the door, entering the living room. Mina, who laid on the sofa gaming, rose up. “Yuukie, welcome ba–” The moment she spotted a figure at his back, she lost balance, tumbling off of the sofa. Mina didn’t even bother getting up as she crawled out of the living room. Rio watched as if coming upon a new species of animal, turning her gaze to Yuuki. “What... did I just witness?” “Give me a secon

