C5 There Were so Many of Them Cancer Cells

She left a letter for her brother, although she was still worried that she wouldn't be there in the future. How difficult would his situation be in the gang... However... She had done all she could for him. The rest of the way... Even if she didn't feel at ease, she could only let him continue on by himself. She only hoped that he wouldn't disappoint her, the only wish she had in her life..