There's a Teleportation Circle in My Basement!

Qi Xiaotian, a youngster staying by himself, accidentally discovered a mysterious magic circle in the basement while he was trying to expand his villa. Curiosity led him to place his hand on the seal and with a flash of light, a majestic blonde haired girl walked out from the circle! “Are you my...wait a minute! Why are you pulling out your sword?! Let’s talk this over!!”