はのみど先生の漫画「ダンジョンでお花摘みなんか許しません！！」はいいぞ。
そのうち初回限定版とかでこんなキーホルダーでないかなあ。

Hanomido-sensei's manga "Dungeon de Ohanatsumi Nanka Yurushimasen!!*" is great.
I wonder if they're gonna release a keyring charm like this for a limited edition or something.
* "I won't allow picking flowers in a dungeon!!". "Picking flowers" is a feminine euphemism for peeing.