Original title: おちびちゃん産み放題
https://www.pixiv.net/en/artworks/89763833
"おにーさん!おちびちゃんはゆっくりできるんだよ!だかられいむはおちびちゃんがほしいよ!"
"Mister! Little ones can take it easy! So Reimu wants little ones!"
Explanation says it all. A gold badge reimu disobeys her owner and refreshes with a stray marisa, her owner find a very unique way to punish her for her betrayal.