The story of Aikawa Kuon, the quiet college student and Shirahane Nanao, the devilish young man continues...

Extra chapters of Warui Series

Because of some bad luck, Aikawa Towa's recent problem has been the complicated relationship with the devillish student council president, Shirahane Mikado. Not only kissing… but is this friendship?! What's more, Mikado started to take a part time job to find relief, but… His bad friends, Shinonome and Yukimura saw the pair kissing…?! Eh?! Will two guys be "lovers"…?!

1: You Are All Mine! When Tsukasa loses a bet to Hijiri, he has to be his slave for three days. But what exactly does he want Tsukasa to do? 2: What Is This Thing Called Love? Hayama just received a love letter from a guy! If only it was from Suzuya-sempai… 3: Impulse Pretending to be drunk, Naoyuki takes advantage of his friend Ikkei. Ikkei shrugs it off the next day, but Naoyuki's not ready to give up. 4: Bias Naoyuki and Ikkei vacation at a hot spring. 5: Darling Yuuya lives with his cousin Ryou. Ryou doesn't charge him rent in exchange for his body, but Yuuya wants something more. 6: Machine Gun Talk Chatty Hibiki and quiet Madoka are childhood friends. When Hibiki tells Madoka to be nicer to girls and Madoka's popularity rises as a result, Hibiki is severely annoyed! 7: Sentimental Courtship Saotome has a crush on Hiragi – but afraid of rejection, all he can do is look.

Despite the content of their relationship, the delinquent Towa Aikawa is still a "friend" of the student council president, Mikado Shirahane. But today, Towa gets to sleep-in at Mikado's house for the very first time! Could their relationship evolve from friends into "lovers" now…!?

After many ups and downs, the delinquent Towa Aikawa is now a very "deeply involved friend" of the student council president, Mikado Shirahane. But when Towa visited Mikado's house for the very first time, Mikado's elder brother mistakenly thought he was Mikado's sex-friend…

Nanao Shirahane is notorious for being a male siren, able to lure in and 'slay' any man simply upon his will. While these rumors hold no truth, Kuon Aikawa, a fellow student attending the same university, still can't help believing them and despising Nanao as a result.

Featuring Nanao Shirahane (Mikado's older brother), a male siren, and Kuon Aikawa (Towa's older brother), a fellow student attending the same university.

Ever since he had sex with his childhood friend Shinonome, the uptight student council vice president, Yukimura, felt caught in a whirlwind. He found himself invaded by Shinonome in his own bedroom, in the library, everywhere…! Out of desperation, his only defense was to treat Shinonome coldly so as to keep his sanity intact. However, it only pushed Shinonome to go to new extremes…!! Will the headstrong, stubborn vice president finally come to terms with his feelings…!?

Yukimura is the formidable vice president of the student body. However, he has a past which he doesn't want to be discovered. The only person who knows about his secret is his childhood friend, Shinonome: the number-one problem student in the school! How far would Yukimura go to silence Shinonome!?

Shinonome finally made Yuki-chan his boyfriend, but wait… the storm is not over yet. Who's that person taking Shinonome away to the counselling room? Is Yuki-chan…. feeling jealous?! And why is Yuki-chan's brother here?

The mysterious former student council president, Shirou Akagi and the inexpressive disciplinary committee member, Nao Kousaka: how will those two damaged boys find their respective love?

Yuki has finally agreed to date Shinonome. But it seems he is having trouble thinking of Shinonome as his boyfriend. Will Shinonome once again be able to win over his lover's stubbornness and become real boyfriends with him?

1-2: Ren'ai Han'i 1% Kagami and Fukamachi are two friends who both secretly love each other. One day, Kagami tells Fukamachi that he's interested in his sister Lisa, upon which Fukamachi reluctantly decides to take Kagami home to see Lisa. Now Kagami is faced with showing Fukamachi how he feels before he's forced to go out with a girl he doesn't love… 3: Urahara na Koi Kyouya, a socially awkward college student, has trouble smiling and gets bullied at school. What happens when he stumbles into high school student Akira when he's out drinking? 4: S ni Ochita Seinen Kyouya is in love with Shirou, his business partner, but Shirou already has a lover?! 5: Don't Worry About It! Ryuusei has long been in love with the carefree and friendly Nagisa, who on the other hand is oblivious of Ryuusei's feelings for him. The day comes when Ryuusei has had enough and he confesses to Nagisa by issuing an ultimatum: to become his lover or to stop all contact with him. Now, what will Nagisa do? 6: Amai Koto Shitai Although Otonashi's first impression of Tonozaki-senpai was "horrible" when they first met as members of the students' council, their relationship soon alters through time after their involvement with each other.