Inside the Cave of Obscenity - Vol 2 Chapter 5: Dwarf 4 (Restraints, Anal Torment

Possessed an extra with a single rune.After obtaining 7 runes directly according to the original Hidden Piece…A fraudulent rune called [Rune Hunter] was created.

The male student, Fukai Nagamasa, ignores his studies for college entrance exams in favor of following the path to chuunibyou. As he fainted during night cramming session before the exams, he realized that he was transported to a parallel world as a feudal lord in the Sengoku Era. Not to mention that suddenly, he was marrying the sixth Demon King, Oda Nobunaga’s little sister, the one who was purported to be an unrivaled beauty?

When others transmigrate, they are responsible for having babies with the male protagonist, and have a happily ever after. She is also a female protagonist when she transmigrates into various novels, but the female protagonist after the happy ending, when love between the couple is weathering, when the male protagonist is tired of the female protagonist, when he is cheating with a mistress, etc., and many other chicken feathers.

[Host, the task assigned to you by the system is, ‘After happy ending, the female protagonist’s bleak divorce life!’]

“Go away, s*upid system! I want to transmigrate to before ‘Happy ending’!”

One sentence introduction: Today is another day of happily divorcing.

Chicken feathers: small annoyances

- Description from Novelupdates

In a world fractured by conflict and haunted by shadows of the past, Kokushibo—the first Upper Moon demon—meets his end, only to awaken in a new life. Reincarnated as Crimson, a child born into a different family, he carries the memories of a past he cannot escape. Burdened by centuries of guilt yet indifferent to the present, he resigns himself to duty—until an unexpected bond with his newfound family begins to thaw his hardened heart. As he struggles between the weight of his past and the weight of the new life, Crimson must decide whether he will remain shackled to his former sins or embrace the possibility of peace.