I'm not entirely sure as there could be many different 'wanko visual novels'. Generally, a visual novel often involves a story with characters, dialogues, and choices. It might be about the adventures of a character named Wanko, or it could center around themes like friendship, love, or mystery in a fictional world created for the novel.
You can try looking for it on popular digital game platforms such as Steam. Many visual novels are available there. Also, some dedicated visual novel websites might have it.
Typically, no. Comic Con badges are non-transferable. They are designed to be for the individual who registered and purchased them. This is to ensure security and proper tracking of attendees.
It depends. Sometimes they sell out quickly, especially for popular events. But it's best to contact the Comic Con organizers directly to find out for sure.
One way to get badges for Comic Con is to register early. Sometimes there are pre-sale periods for loyal attendees or members. Also, follow their social media accounts for updates on availability and special promotions.