The Japanese says "Oh-uchi-jikan" which is the phrase currently being used to say "Stay at Home", throughout social media, etc. in Japan.
Literal translation would be: "stay at home time", or "chilling at home"
Printed on women's Premium American Apparel 100% Jersey Cotton 2102.
NOTE: These shirts run very tight so when in doubt please order a size up (or maybe 2!).