Short and sweet oneshot about Gen-san, a self-described "old guy" who drops by Yuu's house on his way elsewhere.
-Bakaupdates

Kawanishi Wataru and Higashino Shuzou have known each other for 10 years. They both work at the same company, and they both hate each other, thinking the other is competition. One day, out of the blue, they find themselves in bed together... and that's when their denial begins! [from BAA]

From Bushido Angel Adventures
Yamaguchi is a notorious womanizer. Some men admire him; others can't stand him. Ishikawa is definitely one of the latter. Nevertheless, when Yamaguchi's latest girlfriend dumps him, Ishikawa jokingly offers to comfort him with his own body. Unfortunately for Ishikawa, Yamaguchi takes the offer seriously. And, to make matters worse, Ishikawa discovers that he can't say no! (by presencedear).

The series (of 4 oneshots) goes on like that:
1. The Reason for Earlobes (Mimitabu no Riyuu)
2. Yubisaki no Biyaku
3. Kuchibiru no Teppen
4. Sumuji no Mannaka

Ishikawa, being a klutz, is home for Golden Week, and Yamaguchi is going to nurse him back to health... sort of? The sweet couple is back and enjoying their first holiday together! (Source: MU)

Daisuke moved into his uncle Yoshikazu's home while his parents are abroad on a business stint. But why is he so bothered by Yoshikazu? Why can't he leave him alone? And why is he so comforted by him?

Jun finds himself making a chocolate cake for the first time in his life for his lover, this is a cute one shot story about their Valentines day together.