Well...
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As you've said the character was not yours, which limited the options to about two. We all know that you like Dangaropa, though you previously mentioned liking Toilet Bound Hanako Kun Hanako. As you've said the character was not yours that limited the options. Many of your announcement posts, particularly related to Dangaropa have been related to three characters, Kokichi (
imgflip.com/memetemplate/472873168/Kokichi-Oma-middle-finger), Shuichi (
imgflip.com/memetemplate/486672586/Shuichi-Yelling) and Monokuma (
imgflip.com/memetemplate/472500006/Monokuma-Pissed-off) with you barely mentioning Toilet Bound Hanako Kun, excluding that one post.
What also strengthens this theory is you've made fan art of Monokuma, Shuichi, and Kokichi, one being ship art between Shuichi, and Kokichi (though this one has fewer grounds to stand on, as the Dangaropa ship art was a little while ago)
However, the only two characters you've truly mentioned in the comments were Shuichi and Kokichi, with Monokuma being left to the side.
Adding to the fact that you also told HalloweenBeforeThanksgiving that Monokuma was the innocent answer, that left me with these two.
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