This picture was made for situations suggested by this site, http://shindanmaker.com/255342 You put the character names and it'll give some random scene for them.
From Cercis' description and tweet:
【お題消化】あなたは3分以内に3RTされたら、花束を渡しているところの聖と神子の絵を描きます
cercis : 「わたしとけっ…けっこ…決闘して下さい！」ルート
【Topic】If you got re-tweeted 3 times within 3 minutes,draw a picture of handing over a bouquet with Byakuren and Miko
cercis : The "Please ma-....marr-...have a match with me!" Route.
