Definition #1 for "lets meet at the witches gathering"
?Let?s Meet at The Witches? Gathering? (Japanese: #???????????, Majo Shuukai de Aimashou) is an artistic participation hashtag on Twitter in which people depict before/after comparison images of a witch who raised a child into adult. In February of 2018, many amateur illustrators contributed to the hashtag on the site and contributed variations that gender-swapped the characters and used different intellectual properties.