(There's no video for B's Crew yet. Please contribute to MR and add a video now!)
SCSI/ATA Driver & Utility along the lines of Silverlining, FWB HD Toolkit, etc, but more targeted at removable media drives like MO, SyQuest, Zip etc.
This was the driver recommended by most (all?) Japanese SCSI MO (Magneto-Optical) drive manufacturers for use on Mac (and often a "Lite" version was included if you bought a Mac drive kit)
Japanese language only.
B-sCrew-2-1.img.sit (1.31 MiB / 1.38 MB)
/ DiskCopy image, compressed w/ Stuffit
B-sCrew-3-imgs.sit (2.82 MiB / 2.95 MB)
/ compressed w/ Stuffit
KanjiTalk/Japanese Language support required.
Emulating this? It should run fine under: SheepShaver