Hiding a House in the Apocalypse - Chapter 100.1: Demonic Fiend (1)

In a world where survival depends on victory in an alien battlefield, warriors are assigned a crucial keyword that determines their fate.With attributes that rapidly grow when aligned with their keyword, they gain superhuman abilities.But if their persona collapses, they weaken. In this apocalyptic-like world, acting skills are paramount.Acting is sustenance, glory, privilege, and life. Join the battle and discover the true meaning of bravery, cunning, righteousness, and more.

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.

The 7-year-old little crybaby met 11-year-old big brother who ran away from home.
[This man became the protector of redemption in his life]

The 16-year-old little dragon fell in love with a 20-year-old big brother.
[It’s a pity that the big brother didn’t recognize him as the little crybaby]

The 23-year-old single father and 27-year-old chief executive meets again.
[This time the little crybaby and his big brother are finally together]

Fortunately we met through hundreds of millions of people, Thank God, for letting us break through many obstacles and get back together again, falling in love with you and being with you again is the greatest fortune in my life.

- Description from Novelupdates

Scream out.Awake and pour out the grudge left in you onto me.Then, I shall save you.