From the Yotsumeya series re-creating the traditional wonders of Edo's famous historical adult toys shop, the bulky ass masturbator O-oku ("Big Deep") weighs in at a hefty 2.4kg (5.3 lb)!
With two holes to choose from - the nubbed graceful vaginal or the corkscrew spiraling anal - you can also get endless joy just from smacking and slapping these buttocks as you push in deep.
The O-oku Inner Yotsumeya features:
