The Life of Mt. Hororyuu: The Forefather of all Life and Magic at 4.6 Billion Years Old.

Mt. Hororyuu-kun no Isshou ～46 Oku Sai, Subete no Seimei to Ma no So～

The Life of Mt. Dragonends: The Forefather of all Life and Magic at 4.6 Billion Years Old

滅竜山くんの一生 ～46億歳、全ての生命と魔の祖～