next issue; next number
Used for the next installment of a periodical, magazine, comic series, etc.
この漫画の次の号が待ち遠しい。
I can't wait for the next issue of this manga.
次の号では特集記事が組まれる予定だ。
A special feature is planned for the next issue.
Compound of 次 (next) + の (possessive particle) + 号 (number/issue). A straightforward modern phrase.