Reiko Sawamura, the elegant and refined older sister figure, finally reveals her first enema experience! Despite shyly protesting, "No... I'll get dirty!" she repeatedly squirts humiliating fluids from her filthy anus. After being filled with four full bottles of milk enema, she stands upright while spraying in public, enjoys drive-time enema and incontinence play, engages in exhausting enema sex, and gets double penetration in her now loose holes. Packed with highlights, this entire film is overflowing with enemas, offering a full display of this masochistic sister's depraved behavior!