After battling dangerous creatures once existing only in legend,​ Princess Tamaki begins to deal with her uncertain future as the new Tamayori Princess.​ Once she claims her rightful place as the protector of the universe,​ high school will seem like a breeze - but whether she lives to accept that future is another matter altogether.​ Her five guardians - handsome,​ powerful young men of great power and undeniable loyalty - have vowed to sacrifice everything to protect her.​ But are any of them able to deal with a traitor in their midst?​ And how can anyone deal with such important issues while still maintaining a high GPA?​ (Source: Sentai Filmworks)

Much like the other students at her school, first-year student Saki Aoi finds herself captivated by the beauty of her senior on the school board, Makoto Hanaoka. While she worries that Hanaoka would be uncomfortable receiving a confession from another girl, Aoi musters up the courage to tell her anyway. However, Hanaoka's response surprises Aoi for a completely different reason—Hanaoka is actually a cross-dressing boy! Fully expecting Aoi to be abhorred by this revelation, Hanaoka is shocked to find that she has no issues with it. Though Hanaoka rejects Aoi's request to go out with her—citing his identity and the fact that he has never fallen in love before—Aoi insists that she will become his first love. Taken aback by Aoi's determination, Hanaoka wonders if he can really fall in love with her if he cannot find it in him to truly love himself first.

Possessing a deep knowledge of mineralogy, Richard Ranashinha de Vulpian is a young and handsome British jewelry appraiser who owns a small shop in Japan. One fateful night, Seigi Nakata, a righteous college student, saves him from drunks who were harassing him due to his good looks. Upon learning of Richard's identity, Seigi hires him to appraise a pink sapphire ring that was left behind by his deceased grandmother. Before long, Seigi becomes a trusted part-timer at Richard's shop. Together, the duo solve various jewel-related requests from diverse clients of different backgrounds. Step by step, they unravel the hidden motives and feelings that lie within the gems in order to understand and empathize with the little stories behind each piece of jewelry.

Situated near the local zoo and owned by the charismatic polar bear Shirokuma, Shirokuma Cafe is a popular spot for animals and humans alike, allowing them to sit back and relax after a hard day of work. Whether it's a cold beverage or the latest item on his menu, Shirokuma finds joy in being able to serve his customers, often striking up conversations about various subjects. Together with the sarcastic Penguin and the clumsy Panda, they form an odd trio who get themselves caught up in all sorts of misadventures with their other friends such as Grizzly, a bar owner, and Sasako, a human who works at the cafe. From dealing with unrequited love, outdoor camping trips, karaoke sessions, and even the secret to brewing delicious coffee, there's always something bound to be happening in Shirokuma Cafe!