Included with the February 15th, 2013 inaugural issue of Harta. "Harta" means "treasure" in Indonesian. In this booklet, various creators followed the theme of "harta is treasure" to create one-page manga and illustrations. (Source: Harta, translated)

A booklet packaged with Harta volume 56 at select stores. It's an anthology of one-shots centering on the theme of transformation. (Source: Natalie, translated) 1. **Cordinate Ranger** (コーディネートレンジャー) \[Kazune Yamamoto\] 2. **Hero Akane wa Miraretakunai** (ヒーローアカネは見られたくない) \[Hiroki Ishida\] 3. **Make-up Tomiko** (メイクアップ・トミコ) \[Misaki Araki\] 4. **Rumi-chan, Okoranaide** (るみちゃん、怒らないで) \[Mariko Kikuchi\] 5. **Taifuu Jack!!** (台風ジャック!!) Kouhei Nishi 6. **Anata no Amazon** (あなたのアマゾン) \[Ai Kobayashi 7. **Yadokari to Yume no Sumiya** (ヤドカリと夢のすみ家) \[Hiroko Nagakura\] 8. **Tsuisou no Banka** (追想の晩夏) \[Kouhei Nishi\] 9. **Sayuri** (さゆり) \[Kiyoshi Katoh\] 10. **Aitei to Kitan** (愛弟奇譚) \[Sayaka Koide\] 11. **Awesome Summer Love!** \[Sayo Watanabe\] 12. **Uchi de no Kozuchi-kun!** (うちでのこづちくん!) \[Natsume Kishimoto\] 13. **Akuma to Kawarimi** (悪魔と変わり身) 14. **Uka Soudou** (羽化騒動) \[Iku Kamijima\] 15. **Tsume-ato ni Ai wo Komete** (爪痕に愛をこめて) \[Hirona Takahashi\] 16. **18** \[Akihito Tomi\]