Online Game: I Possess a Monster Merging Simulator! - Chapter 20

Utsuro no Hako to Zero no Maria, or The Empty Box and The Zeroth Maria, tells the sinister story of Kazuki Hoshino, who is almost madly attached to his everyday life, and his antagonist Aya Otonashi, who suddenly transfers into his class—for the 13,118th time. She majestically announces to “break” him, without paying heed to anyone else around them.

They love gold, and they love silver. Even more so, they love gems that dazzle, like stars across the skies.
Firearms, jewelleries, and precious metals; A collector’s world will not be complete without antiques.
Storage auctions, old goods trade, re-estate sales and gold-digging. But the truth is, if one wants to make money, then the supreme way is through searching for the legendary treasures.
Holding the fort, there’s an ocelot, a wolf, and an Andes condor. At the side, there’s a loyal hound, an irascible ape, and an African honey badger. Who said that you can only rely on humans when treasure hunting?!

I made a game.

【Pets】【Masters】【Summons】【Contracts】【Evolution】【Mutation】

This is a world of monsters. Demonic beasts, demons, angels, giants, elves, undead, fairies, witches, beastfolk, insectoids… countless races, endless divisions, infinite mysteries. Human masters can make contracts with familiars. Hence, taming, grooming, ascension, evolution, battles… is their daily life!

In the Great Qian Dynasty, a youth named the Bai Wushang unexpectedly became an autonomous awakener, and his life-bound pet was the… Moonrabbit?

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【Currently publicly known evolution forms】

■Mud Giant➼Sand Giant➼Stone Giant➼Black Iron Giant…

■Lesser Fire Sparrow➼Fire Sparrow➼Searing Godbird➼Inferno Bird…

■Quad-Winged Radiant Angel➼(Fallen Evolution)Six-Winged Dark Angel…

■Demon Ape➼Three-Eyed Demon Ape➼Dark-Golden Demon Ape➼……➼Eight-Armed Vile Dragon Demon Ape…

■Greater Ghost Fire➕Night Mare➼ (Fusion Evolution) Spectral Knight… ”