We bring you the daily lives of Futaro and the quintuplets as adults! Futaro, who successfully guided the academically struggling and study-averse quintuplets as their part-time tutor until their "graduation." Though each achieved their dreams and walked their own paths, it seems they each carry some worries... Amidst this, Futaro and the quintuplets plan a Hawaii trip doubling as their honeymoon. Just as preparations were going smoothly, an incident occurred, causing a great panic! And even in Hawaii, their honeymoon destination, they find themselves caught up in troubles...!? A 500% adorable quintuplet romantic comedy, the honeymoon edition──!!