As JR East will raise fares on Saturday, Keio (which runs parallel to the Chuo Line) has distributed this advert to homes in the area, emphasising how "reasonable" its fares are.
@networker_365 ohh I didn't realize it was that soon... we got new fare reimbursement forms that said something about JR and two other lines
@soycamo Yes, Seibu and Tsukuba Express. I've got one too.