Today's top could be tomorrow's bottom when playing the caste game! School is hard enough as it is, but when students are forced to play a cutthroat game to determine their social ranks-and subsequent treatment-all bets are off. Karino slips up by publicly shielding Azusa, the target, during Eno's frenzied public hunt for him. Branded a failure as a king, Karino is quickly dragged from his throne, and once again, class 2-1 must play the caste game. Then, ten years after their tumultuous high school days, what futures have Azusa, Karino, and the others been able to make for themselves?

Today's top could be tomorrow's bottom when playing the caste game! School is hard enough as it is, but when students are forced to play a cutthroat game to determine their social ranks-and subsequent treatment-all bets are off. Ever since Karino betrayed him by dragging him off his kingly throne, dropping him to target, Azusa has been plotting. But as he's planning his next move, he's approached by shy geek Inukai, who's taken a rather sudden-if odd-interest in photography. What are Inukai's true motives? And is revenge really what Azusa seeks?

Today's top could be tomorrow's bottom when playing the caste game! School is hard enough as it is, but when students are forced to play a cutthroat game to determine their social ranks-and subsequent treatment-all bets are off. Another summer has passed, and fall's arrival brings with it the excitement of the school's culture festival! It's fun event after fun event, with Karino and Azusa cosplaying, Kuze joining a band, and Atsumu discovering his feminine side. But while everyone is enjoying themselves, third-year eccentric Eno is cooking up a dastardly plan! Just how long can Karino protect Azusa from someone so bent on revenge?

Today's top could be tomorrow's bottom when playing the caste game! School is hard enough as it is, but when students are forced to play a cutthroat game to determine their social ranks-and subsequent treatment-all bets are off. The third trimester begins, and the school's atmosphere has changed. Karino is growing closer to the increasingly vile Eno, and Azusa is spending more of his time with Daisho, a former student recently returned from a year abroad. But unbeknownst to Azusa, Eno is working on yet another twisted scheme. Karino doesn't want a repeat of the culture festival, but is it too late for him to right those wrongs and save Azusa?

Today's top could be tomorrow's bottom when playing the caste game! School is hard enough as it is, but when students are forced to play a cutthroat game to determine their social ranks-and subsequent treatment-all bets are off. Atsumu, a regular target of the school bullies, has had a rough life. But his luck changes when Kuze, the classmate he idolizes, helps him out during the caste game by giving him his jack card. Despite his reservations about Kuze's true intentions, Atsumu can't help but lose himself in the pleasures Kuze gives him. But will those pleasures come at a cost?

Today's top could be tomorrow's bottom when playing the caste game! School is hard enough as it is, but when students are forced to play a cutthroat game to determine their social ranks-and subsequent treatment-all bets are off. It's the annual class trip, and Azusa is assigned to the same group as Atsumu and Kuze. While the three of them enjoy the sights in Kyoto, someone repeatedly attempts to harm Azusa. It isn't long before Karino, Azusa's knight in tarnished armor, comes to the rescue. The two spend the rest of the trip alone together, with their relationship undergoing a major change!

Since he was little, Taisei Fujima has been known as the pretty boy in his town, and throughout his pampered and self-indulgent life thus far, there has only been one thing standing in his way: Keita Okachimachi, his former middle school classmate.   Therefore, when Taisei is once again reunited with Okachimachi, after three long years apart, Taisei can’t help but get riled up. And thus begins Taisei’s grand plan for revenge...!   Except, something’s wrong. Even though he loathes Okachimachi with every fiber of his being, why is Taisei’s heart beating so fast that he can hardly think straight.   “Don’t tell me I’ve fallen in love with him—?!�

Today's top could be tomorrow's bottom when playing the caste game! School is hard enough as it is, but when students are forced to play a cutthroat game to determine their social ranks-and subsequent treatment-all bets are off. Karino's older half brother Tatsumi is a proper honor student, diligently and obediently following the path laid out for him by others. But after he unexpectedly falls for eccentric Senzaki, he takes a surprising detour by unscrupulously securing the delinquent caste for himself. Senzaki accepts Tatsumi's feelings with reckless abandon, expecting him to do the same. But is Tatsumi willing to forge a new path to be with the impetuous Senzaki?

Today's top could be tomorrow's bottom when playing the caste game! School is hard enough as it is, but when students are forced to play a cutthroat game to determine their social ranks-and subsequent treatment-all bets are off. It's a cruel game where the card you possess determines your class rank. Azusa has the king, the most powerful of the cards, allowing him to rule his class however ruthlessly he chooses. But all bets are off when Azusa is double-crossed, shattering his pride as he drops to target, the lowest of the ranks. Now bullied by the very people he himself mistreated, Azusa is given a choice-become the new king's plaything... or service the entire class!