"It's not like that..." Faced with Onii-chan's jab, Umaru still insisted, "At the very least, I bought it as exercise equipment..."
"Phew..." What else could Sogo Doma do? All he could do was sigh. "My foolish imouto, Onii-chan isn't afraid of you spending money. I'm afraid you don't know how to spend it. Buying a pile of things you'll never use is the very definition of not knowing how to spend money..."
"Onii-chan..." Umaru said, "It's not like I don't know how to spend money..."
"Then why did you..."
"I just couldn't refuse someone asking for help..." Umaru turned her face away. "If that salesperson hadn't said they'd be fired if they couldn't sell any more products..."
"..." Well, alright. His imouto really was that innocent and pure. While Sogo was glad that Umaru had been so well protected, he was also worried that such an innocent imouto might be deceived and hurt. "Umaru, although helping others enthusiastically is a good thing, sometimes..."
"You can't trust other people too much either..." Well, Umaru had even learned to answer before he finished. "Onii-chan, how many times have you said that already? I just thought those things weren't expensive, and maybe someday they'd actually come in handy?"
"Like for working out?"
"What if we lose the pickling stone for the pickle jar at home..."
"..." Sogo's eye twitched. "At least use your exercise equipment for exercise!"
"It's exhausting..." Umaru said. "Besides, I'm in such great shape that I don't need to work out." As she said that, she deliberately bent her arm as though she were showing off her muscles.
"..." Sogo really wanted to snap, "Then don't buy it!" But he had already said that, and she had bought the stuff already—because of her pride, this little dumpling definitely would not