今年も猛烈に暑いので水着の妹を

支援サイトに高解像度画像と差分（裸）あります
Fantia→https://fantia.jp/posts/2921478
FANBOX→https://alexmaster.fanbox.cc/posts/8361106

This year's summer is hot too, so here's a younger sister in swimsuit!

High resolution and (nude) variants on the supporter sites
Fantia→https://fantia.jp/posts/2921478
FANBOX→https://alexmaster.fanbox.cc/posts/8361106