「来週」 (raishū) means "next week." This word indicates the week following the current one. It is typically used with future tense verbs to talk about plans or events. For example, 「来週友達に会います。」(Raishū tomodachi ni aimasu.) means "I will meet my friend next week."

来週(らいしゅう)は次(つぎ)の週(しゅう)。来週(らいしゅう)友達(ともだち)に会(あ)います。