What anime is this? Help

Anime is hand-drawn and computer animation originating from Japan. In Japanese, anime, a term derived from the English word animation, describes all animated works, regardless of style or origin.

Step-by-step explanation:

Anime (アニメ) is Japanese for 'animation' or 'cartoon'. In Japan, anime is the word used for all animation. Outside of Japan, the term anime refers to Japanese animation, which this article is about. Some anime is drawn by hand, but anime can also be made with CGI computer animation.

a_n = a_1 + (n - 1)d

the first term is 6.

the common difference d = ?

when you find d, replace n with 7 and d with the common difference to find your answer.