Most adult anime uses the "onee-san" trope as a fetish. "Aneki... My Sweet Elder Sister" subverts this by showing the tragic conclusion. By the final episode, the viewer is not aroused; they are disturbed. The "sweetness" rots into a grim depiction of mutual destruction.

The animation is adapted from various stories in the original manga collection, including segments like "Saki-senpai," "Mischievous Angels," and "I'm Kidding Myself...". Production Credits Directors: Tatsumi (Episodes 1–3) and Ken Raika (Episode 4).