Yozakura Quartet’s official website was updated this past week. Details on the new series staff and cast were revealed.

y4 hnu staff Yozakura Quartet ~Hana no Uta~ staff and cast announced; Shingeki no Kyojins studio not in need of staff
The new series titled Yozakura Quartet ~Hana no Uta~ will be directed by Ryo-timo (りょーちも).  He is also the chief animation director and will be doing the character designs.  Suzuki Kiyotaka (鈴木清崇) will serve as assistant director. Scripting will be done by Ishikawa Manabu (石川学). Animation production will be by Tatsunoko Production.

y4 hnu cast Yozakura Quartet ~Hana no Uta~ staff and cast announced; Shingeki no Kyojins studio not in need of staff
Main cast members from the previous series has been confirmed to be reprising their roles in the upcoming new series.

The site also announced that the production team has set up a twitter account for the new series. The twitter account can found here.

shingeki no kyojin tweet2 500x316 Yozakura Quartet ~Hana no Uta~ staff and cast announced; Shingeki no Kyojins studio not in need of staff

Earlier this week, Shingeki no Kyojin character designer Asano Kyoji (浅野 恭司) made a twitter post seeking assistance from animators. The post resulted in fans of the series questioning if the studio in charge of the series ‘s animation was suffering from staffing issues. Concerns were also raised with regards to series animation quality which had been of the highest standards. A follow up twitter post was made stating that he had receive many contacts and all should be fine. He also apologizes for causing concern to the fans.

Source : TV Anime Yozakura Quartet ~Hana no Uta~ Official WebsiteYaraon!, @Jin115