Last week MAGES. announced that they will be consolidating the 5pb. branding/label into MAGES.
https://prtimes.jp/main/html/rd/p/00...000046985.html
On Tower
USSW-0206 is listed as レーベル 5pb.
https://tower.jp/item/4941032/HEART-TOUCH＜通常盤＞
USSW-0207 is listed as レーベル MAGES.
https://tower.jp/item/4944710/Shake-Up!-[CD＋Blu-ray-Disc]＜初回限定盤＞
I created a label page for MAGES. here:
https://vgmdb.net/org/1944 (similar to King/Lantis)