Ikuyo Kita's Middle Finger

Illustrators on Pixiv tagged their drawings 全方位中指 and redrew Ikuyo flipping the bird in every direction, usually with mosaic censor bars or a black bleep over the hand11. Some artists kept the stubby chibi proportions from the original Kessoku Band ending, while others redrew her at full character scale wearing her yellow track jacket. The 😌🖕 emoji combo stood in for the whole joke in Japanese Twitter replies, including from members of the show's own staff7.

The gag relies on an animation quirk, not real rude behavior. In the chibi style used for the "Nani ga Warui" (なにが悪い) ending, Ikuyo's rounded fist and the thumb's position near the center of her hand read as a middle finger when she rotates on screen9 (translated from Chinese). Director Haruka Suzuki later clarified on Twitter that the digit was actually her forefinger8, but by that point fan artists had already committed to the funnier reading. The 4Gamers Taiwan write-up described it as a meme the production side accepted rather than disputed10 (translated from Chinese).

A typical Omnidirectional Middle Finger post redraws Ikuyo in her ending-sequence pose, often with a censor over the hand so it reads as unambiguous flipping off, and tags the image 全方位中指 on Pixiv11. In text, 😌🖕 alone works as a reply when quoting anything Bocchi the Rock! related, since staff and the manga author used the same combo publicly7.