Anime series cover (From MyAnimeList pages)

(From J.C. Staff page)

Japanese name: リトルバスターズ！ＥＸ

From MyAnimeList:

myanimelist.net

The main additions in "Little Busters! Ecstasy" are 3 heroine routes involving the characters Futaki Kanata, Sasasegawa Sasami and Tokido Saya. The 3 EX heroines' routes take place of the following: Saya's route - Before the events of Refrain. Sasami's route - After the events of Refrain. Kanata's route - First half of her story is before Refrain and second half is after Refrain. The episodes will be bundled with the BD/DVD releases of Little Busters!: Refrain.

myanimelist.net

A special unaired episode of Little Busters! sent to those who bought all 9 BD/DVD volumes of the anime. This episode includes the story about "Mask the Saitou."

From J.C. Staff:

http://www.jcstaff.co.jp/sakuhin/nenpyo/2014/02_litbus3/litbus3.htm

From Baidu:

baike.baidu.com

《Little Busters! EX》是根据Key社出品的游戏《Little Busters! Ecstasy》改编的OVA动画，于2013年9月16日《Little Busters!》动画官方网站公布了《Little Busters! EX》动画制作决定，并开通其动画官网，并与第二季《Little Busters! ～Refrain～》的BD/DVD同捆发售。故事分别围绕着朱鹭户沙耶、笹濑川佐佐美和二木佳奈多三个女主角的故事展开，共8话。其中朱鹭户沙耶的故事篇幅为四集，佐佐美和佳奈多的故事篇幅分别为两集。中国大陆于2018年9月7日起在bilibili正版发布。

Little Busters! Wiki page

littlebusters.wikia.com

The Two in the Labyrinth Saya and Riki decide that before they venture any further to finding the 'treasure', they must first top up with supplies of food and drink, as they do not know what is ahead of them. They do some shopping and looking around town, which excites Saya, much to Riki's interest. Eventually they return to Saya's treasure hunt mission. After running into a some trouble with the Executives of Darkness, they find a bath, which Saya awkwardly undresses and gets into. They then ha

Producers: VisualArt's, Key, Team Little Busters!, Team Little Busters! EX and J.C. Staff

en.wikipedia.org

en.wikipedia.org

http://visual-arts.jp/

key.visualarts.gr.jp

ゲームソフト開発等を行うブランド「Key」のウェブサイトです。最新情報の配信や開発タイトルの紹介などしています。

http://www.jcstaff.co.jp/

Special series EX consist of 8 episodes that is aired from January to July 2014. OVA consists of 1 episode that is aired in August 2013.

Promo video on YouTube by Vietnam Key FanClub

Opening and ending theme of EX on YouTube by Vietnam Key FanClub

Ending theme of OVA on YouTube by Kun-Lin Jheng

Full ending theme song with lyrics Mezameta Asaniwa Kimiga Tonarini (目覚めた朝にはきみが隣に) on YouTube by Yomogi Mikazuki

Saya's Song with lyrics on YouTube by Pale Crimson

Full version of Little Busters! -Ecstasy version- on YouTube by MiyoRFO

Full review of anime series:

www.sinicalanimenetwork.com

Cover artwork at J.C. Staff Promo video on YouTube by Vietnam Key FanClub This third season of the anime series by VisualArt's, Key, Team Little Busters! EX and J.C. Staff as a coming-of-age drama with supernatural and romance continues at an unspecified time after the events in the previous season as a special series. In the previous 2 seasons, the members of the Little Busters as a group of students formed and became an amateur baseball team consisting of Riki Naoe, Kyousuke Natsume, Rin Natsu

iTunes main and app download page:

https://www.apple.com/itunes/