This is a Japanese (or English) language manga (comic) or a magazine featuring multiple manga series.
Shonen Ace is a monthly publication that features lots of manga chapters of various ongoing titles. This month's manga chapters with opening color are Tokyo ESP and Bibliotheca Mystica de Dantalian. Among the black-and-white manga chapters are The Melancholy of Haruhi Suzumiya, Neon Genesis Evangelion, Keroro Gunsou, Ratman, Fate/stay night, Shangri-La, Anikoi, Deadman Wonderland, Code Geass and more. Includes a Haruhi folding fan. All text is in Japanese.