I've Already Confronted the Five Kage, and the System Just Arrived! - Chapter 13 -

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.

Revere knowledge, pursue truth, control fire, command frost, manipulate lightning, ride storms, enslave the undead...Spreading ancient prophecies and curses, known as the wizard.“Immortal Phoenix Bloodline + Ancient [Eternal Life] Rune...”“After forty million sunsets, I shall finally attain immortality!”

Living in this apocalyptic world full of zombies and monsters, the rich rely on technology and the poor rely on mutation.

Shen Shanwu, 13 years old in appearance but 31 years old in reality, is a mutant that can alter his own appearance. Although he looks like a child on the outside, his wisdom is not very good. One day, he was just passing by when he was suddenly forcibly adopted by a major general, whom he didn’t know where he came from.

He resisted, but when he looked up, it turned out to be an old acquaintance.

The little boy, who could only hide behind him and cry, transformed into the unsmiling, cold, and tough man in front of him. And that expression of seeing a dead beloved is really unsightly…

Shen Shanwu: Can you smile?

Jing Huan: After Shanwu died, I couldn’t smile anymore.

Shen Shanwu: …Who? Who do you think is dead?

It took a long time before he found out about it. He found Jiang Huan crying and holding Shen Shanwu’s nameplate in the middle of the night and told his adopted son how good Shen Shanwu was… All of this…was seen by Shen Shanwu himself!

Jiang Huan (raising his gun): Since you have seen my embarrassing side, then I can only marry you or kill you.

Shen Shanwu: …

Shen Shanwu: Marry, marry, marry! I will recruit 800 zombies to carry you home!

- Description from Novelupdates

I’m Kuna, a former countess’s daughter, working at the café of the Adventurers’ Guild “Shield of the Silver Wolf.” Together with my Carbuncle, Lulu, I spend my days serving customers with special drinks infused with healing power!One day, a customer from my own White Wolf tribe visits…With the newly joined companions, I find myself facing my family, who is trying to take me back to the Kingdom of Aluda!The happiness everyone in the guild has given me—I will protect it this time!This is a life-reversal story filled with fluffiness and healing power!