A Certain Otaku's Dimensional Summons

Otaku Lin Feng accidentally learned the mysterious ancient contract spell 'Dimension Summoning'. From then on, his destiny changed. He could learn whatever he wanted! Want to learn sword skills? It's okay, summon Rui Mengmeng, Dance of Broken Wings, and Exile's Edge to teach you which move you want to learn. Is it amazing to be able to do magic? Summon the dark leader Syndra, and dark magic will crush you to death! Game characters boring? Then let's have some second dimension. Want to learn ninjutsu? Summon Tsunade and Sister Terumi Mei. Want time abilities? Okay, summon the evil third sister. Want to learn space magic? It's even simpler, Yue-chan is calling you... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.