Excuse me, which cartoon are the people in these pictures from?

Miao Chengcheng in the cartoon Tiny Land: Hope College and Desperate High School Students

Nico singer Nico Singh, アンダーバー(Underbar).

Britain: Arthur Kirkland and the United States: Alfred F. Jones in the cartoon Axis Powers Hetalia.

Ryunosuke Miyaji, Kinose Azusa and Homare Kanakubo in the cartoon Pisces.

The cherry blossom collection of the anime "Crown of Sin"?

Just an illustration, painter P station: /member.php? id=7488688？

Where is the bronze drum in the anime Excalibur?

Non-anime, a virtual singer from Vocaloid, Kagamine Ren.