新世界: New World

森羅: All of nature.

診断: diagnosis

final performer, who was scheduled last due to talent / (rakugo) shin-uchi, the highest rank in rakugo

新米: novice, newbie, rookie, initiate

new face (person); newcomer

行っていらっしゃい: alternative form of いってらっしゃい (itterasshai)

see you later (said by a person staying, a stock phrase required by the Japanese etiquette, lit.: (after) going, come back)

see you later (said by a person leaving, a stock phrase required by the Japanese etiquette, lit.: (after) going, I will come back)

(colloquial) Synonym of 行って来ます (itte kimasu, “see you later”)