Jun | Pokemon: Diamond and Pearl Adventure!
Joshua Kiryu | The World Ends With You (can be Kingdom Hearts compliant too!)
Mikan Tsumiki | Dangan Ronpa
Erika Furudo | Umineko no Naku Koro ni
Shuuya Kano | Kagerou Project
maybe someone else?

Preferences
Dreamwidth only
Easy AC or otherwise backtag friendly
Castmates would be lovely, but it's fine too if there aren't any available
Sex and/or horror based games will be regarded on a case by case basis