おばさんのマーキング妹編 / Auntie's "Marking": Little Sister Arc (Patreon)

とある兄妹がおばさんにマーキングされる話。

兄を奴隷化したおばさんは、今度は妹を襲います。

セリフのみのSSつきです。

A story about a certain brother and sister getting "marked" by the stench of their naughty aunt.

After making the elder brother her slave, she now goes after his younger sister.

Contains a dialogue-only short story.