Not an Owner, but a Friend!

How despairing was it when someone more talented than you worked even harder? When Sogo Doma and Utaha Kasumigaoka went to pick up Mashiro, the Art Club members were probably feeling exactly that kind of despair. The moment the two entered, they saw Mashiro standing helplessly to one side, while the Art Club members gathered around a painting in silent disbelief. They seemed utterly stunned, not even noticing that someone had entered the clubroom. "President..." Perhaps it was simply a coincidence, but before Sogo could ask what was wrong, someone spoke up. "I-I want to apply to leave the club..." "Huh?" A delicate-looking girl was left dumbfounded by those words. "Sorry..." the person explained. "I don't think I have any talent for painting..." As soon as those words were spoken, the Art Club members—and even the club president—lowered their heads. Clearly, they agreed. As for Mashiro, she still wore her usual expressionless face, but Sogo noticed the confusion and sadness in her eyes. So he said, "Mashiro, it's time to go home and draw..." This immediately delighted the Art Club members. "And you are?" Mashiro also noticed their arrival then. "Sogo..." But just as she opened her mouth, Sogo raised a hand to stop her from speaking. Then he turned to the Art Club members and said, "Sogo Doma. I suppose I'm Mashiro's owner." Utaha Kasumigaoka: "???" Sogo? Art Club members: "..." !!!∑(?Д?ノ)ノ "What the hell is an owner?" "An owner is an owner..." Yet amid their complaints, Sogo merely chuckled. "Why don't you ask Mashiro?" "Huh?" "Hmm?" Mashiro looked at him in confusion. "Sogo, Yukino said we can't casually tell people..." Utaha Kasumigaoka: "..." Even she had no idea what to say, let alone the Art Club members. "Y-you, you two..." What did she mean by they could not