Fate/Extella: 【Artoria Pendragon】 How to Unlock?? Easy method w/English commentary
While there are three other maps you can do this in, the one demonstrated here is the easiest to do.
Not sure if setting the time to 15:00 actually does anything but I did it just to be safe.
Update:
Yup, it is comfirmed setting time to 15:00 is important for the process.
Edit: Yes 15:00 is required, between 15:00 to 16:00
References:
Marvelous official site- they gave hints
http://wiki.denfaminicogamer.jp/fate-extella
The Japanese gaming community onTwitter
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