Sequal/Spin off - Tsumetai Otoko Sagishima Takehiko, Hokuto's distant benefactor throughout his growing up with foster parents, is a successful executive. When Hokuto turns 20, he appears in his life in person and turns it upside down in order to groom Hokuto as his successor. But is that all he is, a benefactor? Hokuto wonders whether he might not have a secret reason for his kindness to a supposed stranger. But when he finally gets to ask the question he has pondered all his life, the way Sagishima responds is ... surprising. Closely connected to 'Tsumetai Otoko'.
1) Rule of Happiness Iisei and Eitarou are in love and have been dating for two years. They're both saving up every penny for their future of living together. Eitarou can only see happiness ahead, but when money goes missing from the account and Iisei starts lying to Eitarou, will they have any future at all? 2) How Many Miles to Happiness? 3) Always, Always 4) Grown Up 5) Secret Policy 6) Secret Bonus 7) Makin' Happy Tortured throughout middle school by bullies, Hiyori has grown up with a few hang ups: An obsession with a bear anime and an unfortunate reaction to alcohol. These two things will lead him back to the past and a chance at revenge. 8) You Like Hard Love?!
By day he is a beautiful honor student, but when night falls, the sexy and lewd "Maya" appears. Even though university student Kazuma wants to deny the existence of Maya's double life, he gets drawn in by him. Before long, Kazuma finds out that a young congressman, Tanabe, is manipulating Maya like a puppet, and is using him for the government...
Pediatric surgeon Nakamichi grapples with grief when his older lover, hospital director Tsutsumi, is critically ill following a stroke. His problems are compounded when the younger Tsutsumi, the director's son, begins working with him as a new intern. Tsutsumi junior dislikes Nakamichi on sight, and he soon reveals why: he knows all about his father's illicit affair with Nakamichi.
One pervy little boy.
Despite Colonel Michel Rosenberg and Hans Schuyler having enjoyed their honeymoon, their life together continued to be filled with excitement! This had quite an impact on the Defense Army. Love was in the air and relationships began to blossom between unexpected pairs - the enemy commander and the colonel’s assistant, Miller; the instructor and his new soldier; the intelligence captain and the enemy’s spy; the mercenary captain and the elite chief of staff. Couples seemed to be forming left and right!
A kingdom's ruling faction sends out a secret agent to find the kingdom's missing prince. Love begins to grow between the missing prince and the agent sent to find him but political intrigue intervenes upon their arrival in the kingdom.
To fulfill their life long dream, Ezakike Shuu's parents left for Africa, leaving him in charge of his younger brothers. However, growing up without parents' guidance, the Ezakike brothers are often ill-treated and looked down upon. In order to protect his brothers, Shuu devotes his life to raise them filled with happy memories. However, a fated meeting with his new homeroom teacher would turn his life upside down... From Baka-Updates: This series is on hiatus in origin country.
An one-off side story of Tokumaru Madoka and Hasune Kazuma, the main couple of Koi Cha no Osahou (Tea for Two) A comedy in a love hotel room.
From Attractive Fascinante: Yuu, Kouichirou, Natsume and Shino were classmates. Kouichirou took really good care of Yuu since young. Yuu was afraid that Kouichirou would leave him behind if his grades dropped so he worked really hard and got a fever. When Yuu kicked up a fuss in the infirmary, Kouichirou kissed him. What did that kiss mean? Natsume and Shino had been sex buddies for quite some time. Although they had feelings for each other, they never confessed to each other. Shino finally broke down and confessed. Would Natsume accept him?
A spin-off to Martini Kouryakuhou featuring Kousaka, and a cocktail called "Side Car"... This story also introduces two new characters: Kaneshiro Yuuichi and Miyashita Fumi.