Steins;Gate シュタインズ・ゲート (Shutainzu Gēto)

Alternative Name: 命运石之门 (Mìng Yùn Shí Zhī Mén) 

Genre: Comedy, Drama, Tragedy, Mystery, Psychological, Romance, 
              Sci-Fi, Thriller, Time Travel, Butterfly Effect, Conspiracy, 
              Alternative Version

Description: 

Rintaro Okabe is a self-proclaimed "mad scientist" who believes that an international scientific organization named SERN is conspiring to reshape the world according to its own interests. He and his friend, Itaru Hashida, inadvertently create a gadget able to send messages to the past. The discovery and experimentation of this instrument become the catalyst of fundamental alterations to the present. Okabe is the only one aware of these changes because he possesses a Reading Steiner, the ability to retain the memories from previous experienced timelines. Oblivious of the consequences of their actions, Rintaro and his friends end up creating modifications of grievous proportions. He must then try to find a way to return as close as possible to the original timeline in order to save his precious lab partners.

Episode
Season 1: 24 episodes + 1 Special + 4 ONA + 1 Movie 
Season 0: 23 episodes + 2 Special 

Original Run
Series: April 6, 2011 – September 14, 2011
Special: February 22, 2012
ONA: October 14, 2014 – November 11, 2014
Movie: April 20, 2013
Special: December 3, 2015
Alternative Version: April 12, 2018 – September 27, 2018
Special: December 21, 2018

Studio: White Fox

High School DxD ハイスクールD×D (Haisukūru Dī Dī)

Alternative Name: 恶魔高校D×D  (È Mó Gāo Xiào D×D)

Genre: Action, Fantasy, Romance, Harem, Comedy, Supernatural, 
               Ecchi, Demons, Angels, School, Tournaments, Developing Power

Description: 

The story follows Issei Hyōdō, a dim-witted, lecherous second-year high school student who is killed by a girl on his first date ever. Issei is reincarnated as a devil, and from that day forward, he serves as an underling of Riasu, a high-level devil who is also the prettiest girl on Issei's campus.

Episode: 
Season 1: 12 episodes + 6 Special + 2 OVA
Season 2: 12 episodes + 1 OVA
Season 3: 12 episodes + 1 OVA + 6 Special
Season 4: 12 episodes + 1 Special

Original Run: 
Season 1: January 6, 2012 – March 23, 2012
OVA: September 6, 2012 – March 23, 2012 
Season 2: July 7, 2013 – September 22, 2013
OVA: March 10, 2015
Season 3: April 4, 2015 – June 20, 2015
Special: July 24, 2015 – January 27, 2016
OVA: December 9, 2015
Season 4: April 10, 2018 – July 3, 2018
Special: April 10, 2018

Studio: TNK (Series) / Passione (S4 & Special)

Flame of Recca 烈火の炎 (Rekka no Honō)

Alternative Name: 烈火之炎 (Liè Huǒ Zhī Yán)

Genre: Action, Adventure, Fantasy, Romance, Tournaments, 
               Ninjas, Comedy, School, Martial Arts, Superpowers, Magic,

               Developing Power

Description: 

Recca is a boy living in the modern world, only he seems drawn to following the ways of the ninja. On the day he befriends a girl named Yanagi who has a mysterious power of healing, he is confronted and challenged by a Dark Priestess. This battle leads Recca to discover a strange power within himself. Afterwards, he finds that not only is his past and destiny not as crystal clear as he had thought, but there are others with powers practicing the way of the ninja who challenge him one after another.

Episode: 42 + 1 Special

Original Run
Series: July 19, 1997 – July 10, 1998 
Special: June 10, 2004

Studio: Studio Pierrot

Tales of Symphonia The Animation テイルズ オブ シンフォニア (The Animation Teiruzu obu Shinfonia The Animation)

Alternative Name: 仙乐传说西尔瓦蓝特篇 

                                      (Xiān Yuè Chuán Shuō Xī Ěr Wǎ Lán Tè Piān)

Genre: Adventure, Fantasy, Psychological, Romance, Action, Magic,

Description: 

Two worlds exist, both unaware of the existence of the other. In order for one world to flourish, the other will have to perish. On the doomed world, a Chosen one is send on a journey to restore that world's mana by awakening the Spirits and becoming an angel. Colette Brunel, the Chosen of Sylvarant, sets out on her journey accompanied by her best friends Lloyd Irving and Genis Sage. As they travel further they meet new friends and even more enemies, while they learn more and more about the truth behind the World Regeneration.

Episode

OVA 1: 4 episodes + 1 Special + 1 Special

OVA 2: 4 episodes + 4 Special

OVA 3: 3 episodes + 3 Special

Original Run

OVA 1: June 8, 2007 – December 21, 2007
Special: June 8, 2007
Special: September 26, 2008

OVA 2 & Special: March 25, 2010 – February 25, 2011

OVA 3 & Special: November 23, 2011 – September 29, 2012

Studio: ufotable