It seems that JR East is considering axing Kururi Line between Kururi and Kazusa-Kameyama Stations, the 9.6 km section has a ridership of 55 passengers / day / km and was operating at a loss of 279 million Yen in FY 2021. The non-electrified line had a ridership of 782 passengers / day / km in FY 2021, which was a decrease of around 70 percent since the privatization in 1987
https://tabiris.com/archives/kururisen202303/