Isekai manga about a red ranger being transported to another world. Chapter 19 has the lead female getting bound and gagged by belts from giant toys so she doesn't alert the red ranger, who has been turned back into a kid. She gets unbound and thrown into a cage shortly after.
Also this will be getting an anime adaptation next year, lets hope they include this scene.
Sentai Red Isekai de Boukensha ni Naru
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