Person in Tokyo: Starting with a Time-Space Door

Transmigrated to Tokyo.No system falling from the sky, nor any built-in cheat.Initially, I thought I could only be a peaceful grocery store owner from now on.But unexpectedly, I found a time-space door in the warehouse.〖Confirmed first entry into the time-space door — Obtained ownership of the time-space door〗〖Confirmed to receive the title — Traveler of Another World〗〖Confirmed to receive the protection — The Blessing of the Time-Space God〗〖Confirmed to receive the inherent skill — Super Speed Growth〗〖Confirmed to receive the unique skill — Time-Space Traveler〗After stepping out of the time-space door.Lin En realized, it seemed like he had taken off!