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Artist's commentary
天の聖杯、ホムラと寝るか？ヒカリと寝るか？
どっちなの？
[EN] Do you sleep with Pyra or Mythra?
Mythra: Hey, Rex. Which one do you choose, Pyra or me?
Pyra: I greeted Rex's parents, so...
Mythra: Oh dear, I have slept in the same bed with him. Well, well, the three of us will sleep together today.
Pixiv Fanbox に差分あります！
https://www.fanbox.cc/@ii-tea/posts/2133171