Reincarnation in Another World - Abnormal Situation

"Reincarnation in another world?" "How is that possible! Stop wishful thinking." "Even if it does happen, you won't have a kind and gentle sister and a cute and lively sister by your side." "Recognize the reality. Without power, you are just a loser from another world!" "If you really believe it, prove it to me." "Looking forward to the day when you suddenly disappear, young man."