The beginning: Doumeki can't get it up but like Yashiro, Yashiro didn't like him back.
The Middle: Yashiro can't get it up and likes Doumeki, but Doumeki holds himself back
Now: Yashiro & Doumeki can get it up to the point of making love non-stop and they like each other but THEY WONT TELL EACH OTHER!!