I am the One Wang Lin Calls His Senior Brother, But I am Actually of the Bloodline of the Ancient God

Su Wang, a junior high school student, travels across the world of "Xian Ni" and is bound to the "Senior Brother Development System". He needs to make Wang Lin, a future Huangtian Realm powerhouse, take the initiative to call him senior brother, but because the favorability only increases by 1% each time, a long "strategy" begins.