If you are looking for the specific "Part 13" or similar installments:
"Maa Brotherto" (or "ma brother tho") is a Telugu romantic web story available on document-sharing sites like Scribd, where chapters are often uploaded in parts. Search for specific installments like "Maa Brotherto part 13" directly on these platforms, as content is typically broken into sections. For more information, visit 002 Maa Brotherto 01 09 | PDF - Scribd ma brother tho pdf 13
If you'd like, I can help you where this story is hosted or translate a summary of the series if you find the Telugu text. Which would be more helpful? If you are looking for the specific "Part