This is really not mechanical ascension - Chapter 836 - 433: Over Half A Year Tank Guard Upgrade

Collapsed without warning, and upon awakening, he found himself back in his childhood.He thought it was a blessing from above, but unexpectedly, tumultuous changes ensued, shrouded in mystery...

In the most popular 3D keyboard online game “Tomorrow”, an ordinary player, Zhang Zhiyin has a less common hobby–that is to visit Dr. Y, the ultimate boss – giving him gifts and hugs.

Ye Yu transmigrated into a fantasy world and awakened the Dream Simulation System. After each dream, he could randomly acquire a power from the dream. Initially, Ye Yu planned to slowly grow stronger this way until he could dominate the entire world. As time passed, Ye Yu experienced more and more dreams. But he later discovered that the wives in his dreams actually existed in reality. As the saying goes, having one girlfriend is dangerous, but having many girlfriends is life-threatening. When these immensely powerful demonesses and empresses started showing up one by one, Ye Yu’s first reaction was to run away.

On his usual way to home Mikado Tsuchio fell into a hole that suddenly opened on the ground. Just like that, Tsuchio falls in a different world, he lands on a Grappler Wyvern and manages to tame it.

Tsuchio decides just like that to live in the other world, the reason for his quick decision: he wants to make a monster girl harem.