sakura ritsuki (1st costume)

The default outfit of Nijisanji's Sakura Ritsuki, as seen in Danbooru post #6625537.

Her default outfit is a traditional Japanese garb of an off shoulder black kimono with a cherry blossom print, white hair bow, cherry blossom-themed hair flowers, an inner layer white dress held by a criss-cross halter, and a large yellow obi with an orange ribbon.

This tag implicates sakura_ritsuki (learn more).