Yes, all of the replays are currently available in-game. Here's how to get them.
Replay 5 & 6 from the Secondary Characters:
- Interact with the Baseball bat at your office. They're both from the same event but from different paths, you'll need to save and load before making the decision to get both.
Ayumi Replay 3:
- Have Ayumi's corruption at 10 or higher.
- Give either her or Soushi a low grade on the first weekly test.
- Have Sharing enabled by telling the President that you will share the girls.
- When Ayumi asks what to do, you need to manipulate her a bit and tell her to repay Soushi some other way. (Comply with Soushi). This option only appears if you have sharing enabled, otherwise it's hidden.
- Then just don't interrupt Soushi and her.