Te o Tsunaide, Sora o

Summary refers to the Libre Shuppan re-print, 2008:

1-6) Te wo Tsunaide, Sora wo
Haruya, a magazine article writer, is constantly frustrating his editors with his lack of inspiration. His calm, quiet life is spent in a house away from the city. However, upon meeting a shy boy undressing on the beach, their lives become linked. An unusual relationship follows that will ultimately be beneficial for the both of them.

7-9) Kiss me, Daddy / Make Me Happy / Walkin' on the Moon
Shiba owns a small software firm. Naomi, who works there part-time as he studies at the university, is comfortable with his homosexuality. So, despite Shiba's being 36 years old, Naomi can't help but be attracted to his boss! But, does Shiba feel the same way?
(Also included in Make Me Happy)

10. Fade
    Morikawa has arrived in his professional career, however his vindictive ex decides to spoil it by revealing that Morikawa is gay. Luckly, Higa, a coworker, is there to help Morikawa. But does Higa have more motives beyond a business relationship?

11. Closed
    Takashi wants Yuu, his classmate from University, to love him. Unfortunately, the only way Takashi can think to win Yuu's heart is through drugging and raping him. Will Stockholm syndrom work in his favor or will Yuu leave Takashi for good?

12. Echo Night
    Akito has an interesting night with his client Shirou. After multiple rounds of steamy sex Shirou promises to take Akito with him as part of their role play. However, was he only joking?

13. Secret
    Kei and Subaru visit Maki and Haruya again. Maki is concerned about Haruya and Kei's former relationship and Subaru tries to help him feel better.