At the end of a scenario you may see a special video of you and your general as long as you meet the requirements.
You are required to have 5000 honor which at the time you will be a rear general. Afterwards you can watch your memory before you switch teams in the next scenario. Now the following is a list of General memories.
Sorry if some are in japanese subtitles.
Sorry if i missed any. Any i didnt list arent genereals in any scenario.