Hells alien

For 300 years a Japanese yakuza family of the edo period who found a device called the omnitrix and they've been protecting their family of Japan for centuries, and generation after generation the device has been passed down to yuhei shimura, the last of the shimura bloodline he now carries the device and ever since then a portal opens below him and now he's not on earth but...in hell how will he escape this torment?