This Text Adventure Game is definitely poisonous - Chapter 1546 - 666: The Wonderful Ecology of Jie Lin (Part 1)

Nagi who was summoned to another world acquired the「Skill Structure」skill.

Nagi felt the hints of black job from the king’s request 「To defeat the devil king」. He leaves the castle and starts his journey with a slave girl.

The small demon girl Cecyl, the melee-fighter beast girl Rita , Aine the onee-chan maid, Regii the cursed sword.

Rafiria the warm and fluffy elf and Iris the sea dragon shrine maiden.

Nagi rewrites the girls’ skills and made them into 「cheat characters」one after another.

The more ruthless the Palace is, the more miserable the loser will end up—this he understands. But what he does not understand is, why the brother whom he lived together with peacefully in the past, would so heartlessly humiliate him today. Asking him to beg for mercy, asking him to succumb to his knees, and even… asking him to tactfully entertain him. “Yong Shan, ah, Yong Shan, as of today you are the one who qualifies to succeed as a Crown Prince, what exactly is it that you want?”

For the past 16 years, Yong Qi’s gaze was never set on him. Despite being twins with his younger brother, Yong Lin, Yong Qi has always been directing his smile and laughter towards Yong Lin, and to him, Yong Qi deliberately alienates him. He does not understand, they have the same features and looks, and he obviously is his brother too, but why won’t he be intimate with him… as if he is humiliating him. “Yong Qi, ah, Yong Qi, why won’t you understand, what I want is very simple…”

- Description from Novelupdates

…but it seems pretty doable.

Viserys Targaryen was born with the blood of dragons and yet lived his life in exile. He was a prince with a lost kingdom and a fading legacy, an immature bastard who died a pitiful death. Unfortunately, that same death was coming for me now… as I found myself in his body right before molten gold fried my brain.Yes. Fuck Khal Drogo, and fuck the molten crown.With the memories from another life, in this world of betrayal and broken oaths, I had the chance to forge a new destiny for myself. Armed with the knowledge of the future, my own cunning, and [The Dragon System], I made the choice to flee from the Dothraki barbarians and take back what was rightfully mine.