Yoro Tetsudou will be introducing ex-Tokyu 7700 series trains on their network from February 2019. The newly introduced trains will replace the more recently built ex-Kintetsu 600 series trains. The 7700 series will come in a variety of two and three car sets and will be painted in various different liveries.
Original source: https://www.nisimino.com/yorosenportal/annex/54_Field08.pdf