Junior Sister, Please Show Some Respect

Zhang Tian transmigrates to a fantasy world, only to discover that it seems just like a game he played in his previous life! Taken in by the Zixia Immortal Sect from the start, he turns out to possess an unsurpassed immortal body? After five years of training, he's become utterly useless. As the senior disciple, he's too ashamed to face his junior brothers and sisters and just wants to lie flat, but they all regard him as a prodigy.