A series in Young Magazine and Young Magazine the 3rd, where authors write the 100th chapter of a series without writing chapters 1-99 first.
1. Offside Trap Kumeta Kouji (2015, Young Magazine)
2. Tabete Kara no o Tanoshimi da yo! by Ooima Yoshitoki (2015, Young Magazine the 3rd Vol.2)
3. Bravery Saga by Yoshimoto Masume (2015, Vol.3)
4. BattleSexer SEISHIRO by Kubo Yasuhisa (2015, Vol.4)
5. Shin Oni-den Nagugowainega by Oshikiri Rensuke (2015, Vol.5)
6. Kantan Z ~Kanzen Tantei Kanta, Saisho de Saigo no Jiken~ by Suzuki Nakaba (2015, Vol.6)
7. Sasa ni Negai o★ by Yamamoto Souichirou (2015, Vol.7)
8. BOWWOW Providence ―Isetsu Hakkenden― by Segawa Masaki (2015, Vol.8)
9. Bari Uma Shokudou Kirishima!! by Seo Kouji (2015, Vol.9)
10. Nie Miko no Touya by Yoshimura Kana (2015, Vol.12)

From Izumo no Ryuu:
After being sealed in a sword for 800 years, the master of all demons is released, and taking the body of a human to reek havoc on the world again. Jyuzo must now retrieve that body, which is that of his own brother, and stop the demon's schemes.