According to Ultimatum, Enterbrain's manga/novel magazine Magi-Cu (derived from Magical Cute) will cease publication after the release of volume 40 (on June 25th).

Source: Ultimatum Chat

Starting with volume 4, Kodansha's Morning 2 will become a bi-monthly magazine.

From Mainichi Daily News comes an article on Houbunsha's Comic Yell, a new magazine that will carry girl-oriented manga aimed at men:

The success of the girl-oriented manga amongst male manga fans prompted the release of Comic Yell, Japan's first girl's manga for men.

With men's manga like Shonen Jump attracting a 50 percent female readership, Comic Yell's publishers Hobunsha figured it was time to give guys an opening into the world of shojo, or girl's, manga.

topAccording to Mag Garden's official website, the bi-monthly shounen/seinen manga magazine Comic Blade Masamune will receive a makeover after the release of its combined early-mid summer issue on June 15th. On September 15th, the magazine will be relaunched as Comic Blade Avarus.

Some titles will continue their serialization on Avarus, and some will be moved to other magazines. More information will become available on the September issue of Comic Blade, on sale July 30th.

topA new manga titled Gentoushi Series by Ayami Kazama has debuted in Yahoo! Comic's free web magazine Flex Comix Blood.

New installments of Official Another Story Clannad: Hikari Mimamoru Sakamichi de will appear in Broccoli's Comi-Digi Plus (Comi-Digi+) Vol.8 (6/21)

A new manga titled Zo no Senaka by Kujiraiikuko, based on the novel of the same name (which will also be adapted into a movie), will begin serialization in Coamix's Comic Bunch No. 30 (6/22).

Moe + Military mook (magazine + book) MC☆Axis has announced that as of volume 5, it will become an independent magazine.

A few new manga series will debut in Akita Shoten's Champion Red:

Champion Red August issue (6/19)
- Franken Fran by Katsuhisa Kigitsu
- Princess wa mimodaeru by Yuuji Sumino

Champion Red September issue (7/19)
- Seifuku Shoujo Semikami! by Seisoku Yamanishi
- Doki Doki Majo Saiban by Ken Yagami

Source: Ultimatum Chat

On June 22nd, Gentosha Comics will launch a new manga bunko called... Manga Bunko.

Manga published under this bunko include Masatsu Note Taimashin by Kikuchi Hideyuki (story) / Saito Misaki (art), Seimaden by You Higuri, Kodoku Experiment by Yukinobu Hoshino, Koibito Purei by Benkyo Tamaoki, and more.

Shogakukan released a new magazine under the Flower Comics imprint titled Rinka on 6/14. The new magazine serializes manga from popular shoujo mangaka such as Yuu Watase (creator of Fushigi Yuugi), Yumi Tamura (creator of Basara) and Chiho Saito (creator of Revolutionary Girl Utena).

Source: Ultimatum Chat

A new yuri magazine from Ichijinsha titled Comic Yuri Hime S (880 yen) will debut on June 18th. Yuri Hime S (Yuri Hime's sister magazine) is different from Yuri Hime Selections, a special issue of Yuri Hime that carries series from Ichijinsha's most popular yuri artists.

The Japanese blog "Justification of Information, Print Media or Story Addiction" (Information Addiction) has posted an article looking at the total number of pages of manga that appears in magazines monthly. According to a study from Media Research Center published in May, currently the total number of pages manga magazines in Japan carry sums up to approximately 102,411. A translation of the article can be found here.

Kadokawa Shoten has opened the official site for its BL (boy's love) light novel label Ruby Bunko at:

The official website of Comic Yoshimoto has finally been launched by Yoshimoto Kogyo at:
*Note has been around for a while, but the website had no content until now.

Tokuma Shoten has opened an official website for Animage at: