Danbooru-based image board with a specialization in high-quality images.
cleavage haruiro_ouse kuroi_misa no_bra open_shirt pantsu sakuragi_konoha tsukimori_hiro undressing yukata

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I've been wondering this since I first saw Akiiro Renka. Who is the artist of the these illustration?
There are two artists responsible for Akiiro Renka, 月杜尋 and 悠樹真琴. The one you want is 月杜尋, also one of my favourite artists :) I'm not 100% how that romanizes, I'm guessing Tsuki Morihiro/Morijin though.