DxD: Matsuda? - Chapter 114 - 20 Past Possessors?

In the eyes of outsiders, Hyuga Yuuto is a genius in the traditional sense of the Hyuga family:

Tough, strong, gentle, and calm, he is a partner worth relying on at all times.

However, no one knows, in countless silent nights.

The young genius of the separation family stroked the caged bird engraved on his head and fell asleep with the sharp needle in his mouth, fearing that in his sleep he would reveal the madness and anger deep in his heart——

“What Uchiha Itachi can do, I, Hinata Yuuto, can’t dare to do?”

- Description from novelbuddy

[Regressed successfully!]Zick lifted his eyelids, revealing two dull eyes. A grand room filled with medical appliances was reflected on his pupil.The piercing pain originating from the abdomen made Zick slowly accept the reality.He had returned 10 years back in the past!The very moment from when Zick began to lose everything.[Destiny system has been activated. Get closer to people with strong destiny and strengthen your own destiny!][Sub-function: shall be unlocked soon!]After taking a look at the interface, Zick closed his eyes.“First…I should repay that chick for this wonderful gift.” Zick looked at the bandages on his waist.......{Additional tags: Age regression, Evil protagonist, cold female leads, Academy, evil organizations, conquering, war.}

In the whole world there lays twelve paths to climb the Tower of God, and in legends these twelve pathways leads toward legendary road of immortality. However these paths in the Tower of God, are far too long, without end.