Binetsu Shuukan

all but the last story/chapter is about the same couple
1) Binetsu Shuukan (Week of Mild Fever) –
Wakui is a senior staff in the company who looks out for Asano. The moment he saw the handsome Wakui’s naked body, Asano’s heat welled up within him. The pride of someone older, the seduction of it. The heated heart that desires to monopolize… the love that wants to be stripped bare. A fever that only happens once in a lifetime. A considerate seme who is a younger salary man.
2) Netsu-Byo (Fever) –
Satoru & Keiji are lovers. They are staying together & have countless intimate actions…Then, one day Satoru forgot to bring his handphone to his office. Suddenly, the phone rings & Keiji answer the call. Keiji was surprised…It was a guy who called Satoru…Who is he? Why did he called Satoru for? The answers are in the manga…
3) Netsu no Arika (Where the Heat Is)
4) Nettai Kajitsu (Tropical Fruits)
5) Netsu Ai (Passionate Love)
6) Rainy Kiss Attack Coming in Dripping
Afterwords