Fix Your Worries with Push-ups and Back Muscle Exercises! Give It Your XX - S2.E10

Yū was concerned about using her contact lenses rather than her glasses, so in order to relax, she does, while teaching the viewers, the Unilateral Push-ups and the Prawn Back Extension. Afterwards, she accidentally bumped into Shion, making Yū drop her contact lenses, which are broken accidentally by Sakura soon after.