Quick answer — BBK/BRNK: the opening theme is "Beat your Heart" by Konomi Suzuki and the ending theme is "ANGER/ANGER" by Myth & Roid.
When Azuma Ikki returns to Japan after 10 years, he gets assaulted by a group of armed men and becomes their prisoner. Kogane Asabuki, a childhood friend, saves him with a weapon on her right hand known as Bubuki; a weapon with its own mind. Azuma Ikki, who is a Bubuki user himself, learns about the existence of… BBK/BRNK is an action, drama, and mecha anime produced by SANZIGEN, first airing in Winter 2016. It ran for 12 episodes and is finished.
BBK/BRNK has 12 episodes and is finished.
BBK/BRNK was produced by SANZIGEN and released in 2016.
BBK/BRNK is classified under Action, Drama, Mecha, Sci-Fi.
BBK/BRNK premiered in Winter 2016.
The opening theme "Beat your Heart" from BBK/BRNK is performed by Konomi Suzuki.
The ending theme "ANGER/ANGER" from BBK/BRNK is performed by Myth & Roid.
BBK/BRNK is an original anime.
BBK/BRNK is listed on Crunchyroll. Availability varies by region.
Character data from AniList.