I'm Here to Repay a Debt of Gratitude

In order to find his long time benefactor -- Immortal Lin Hua, to repay his debt of gratitude, the crybaby young fox demon Qi Ye worked hard in cultivating, from human's world to the Immortal's world, yet he found out the Immortal no longer remembers him?! Qi Ye feels hurt, sob sob sob... But good thing he brought with him his old dad's treasured book of courting a wife <>! Brave Foxy, isn't afraid of hardships--" Benefactor, this time I'm repaying you back my gratitude through devoting myself to you!