The show’s subtitle 「~ひとつ屋根の下で~」 means “~Under the same roof~”. The girls are moving in together.
I don’t actually recommend this episode’s exercise as it’s too taxing for your spine and your hips, unless you’re a slim little Japanese girl with the corresponding joint flexibility. Consider side planks or side bridges instead.
“unless you’re a slim little Japanese girl” xD
First ep of Lostorage airs in 3 hours. Are you ready?
my body is