A spin-off comic based on the movie Sadako has appeared! Sadako, who doesn’t get to appear much in the film, was actually doing this and that?! Witness a short comedy from Sadako’s perspective! You may see a side of Sadako you’ve never seen before… ?
Sadako-san and Sadako-chan is a completed manga by Noriaki Sugihara. It blends comedy, horror and slice of life. You can read all 8 available chapters of Sadako-san and Sadako-chan online for free on MangaPulse; the newest is Chapter 8, added 2020-05-17. The series is finished, so you can read it from start to end in one go.