Danbooru-based image board with a specialization in high-quality images.

akihime_sumomo flyable_heart game_cg ito_noizi nanatsuiro_drops unisonshift yaeno_nadeshiko

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its marked flyable heart, because at point nadeshiko and sumomo make a appearance in the game and its a gamecg from flyable heart
That's certainly true. I have it and forgotten about it.