Girls Grow, Overtaking Boys — Growth Sound: Sleeping Sister [女子成長クラブ]

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サークル名	女子成長クラブ

販売日	2026年08月15日 0時
シリーズ名	Outgrowing only girls, Overtake boys, Growth sound
年齢指定	全年齢
作品形式	マンガ
ファイル形式	JPEG PDF同梱
対応言語	英語
ジャンル	脚おっぱい健全着衣フェチ妹巨大化長身
ファイル容量	196.64MB

体験版ダウンロード
(66.86MB)

作品内容

One day, a mysterious "Growth Sound" begins to echo through the world... and from that moment on, the younger sister starts growing taller.

At first, she's only 140 cm (4'7"), and her older brother has no trouble carrying her to bed whenever she falls asleep. But as the days pass, she continues to grow—little by little, then faster and faster.

What begins as a barely noticeable change soon becomes impossible to ignore.

Her legs grow longer, her frame becomes stronger, and her height steadily surpasses her brother's. Meanwhile, he remains exactly the same, watching their everyday life gradually transform before his eyes.

The one who used to carry...
Eventually becomes the one looking up.

(English product description provided by the creator.)