“I’ll pay you back,” she said.
My imouto's financial struggles have started to affect our family in several ways: my imouto has no money
She didn’t open the envelope. Just clutched it to her chest and whispered, “Thank you.” “I’ll pay you back,” she said
If you're looking for a more direct way to help financially, consider: She lives in the moment
Let’s be honest: part of the imouto charm is her slightly airheaded nature. She lives in the moment. If she sees a cute keychain of a cat wearing a shark suit, she buys it. The consequences—like not being able to afford a train ticket home—are a problem for "Future Imouto" (and her older brother). The Brotherly Tax: A Sacred Tradition
It’s rarely about the cash. It’s a moment of vulnerability for her and a moment of reliability for him.