Nii-chan is about a story between a young boy in grade school who often goes to this "Nii-chan"'s place to play video games after school. However the "Nii-chan" has ulterior motives… Will the boy give in to "Nii-chan"'s persuasion or will he put a stop to it before it all goes wrong..?
Nii-chan is a completed manga by Harada, first published in 2014. It blends psychological, boys' love and drama. You can read all 7 available chapters of Nii-chan online for free on MangaPulse; the newest is Chapter 6.5, added 2018-05-27. The series is finished, so you can read it from start to end in one go.