146-LapMummy. (Pixiv Fanbox)

The young versions of Lapis and Miles are doing a stream together. Lapis allowed her audience to vote on what Miles' costume would be for Halloween this year and they voted on him being a mummy. Lapis insists on doing his costume for him, so she begins wrapping up Miles in medical bandages, but winds up wrapping his arms to his sides and his legs together.