RZ Leo: rapid fading Further time-resolved observation has been reported by Itoh-san, Kiyota-san, Osaka Kyoiku U. team, Shawn Dvorak, Tamás Tordai, Stephen M.Brincat, Filipp Romanov, Vihorlat Observatory team, and Kyoto U. team. According to Stephen M.Brincat's data at 2022-01-27 00:02 UT, this object is 15.4 mag and ~1mag fainter than on 2022-01-26. Therefore, this object can be in rapid fading now. In the 2001 superoutburst, rebrightening was observed, short-lasting (type-C) rebrightening (Ishioka et al. 2001). In order to check the rebrightening profile, daily snapshots are encouraged. Best regards, Junpei