MTL - Doomsday - v2 Chapter 687 Too childish

The romantic comedy light novel series centers on the gaming lives of various high school students who play video games, including: Keita Amano, a lonely young man who loves video games; Karen Tendō, the beautiful president of the video game club; Chiaki Hoshinomori, who constantly fights with Keita; and Tasuku Uehara, who puts on a facade of being satisfied with his life in the real world, but he in truth loves video games.

Karl awoke to find himself shockingly reduced to a crippled Evil God confined within a bottle.The Fischer family had inadvertently become his favored members, sharing a fate connected by blood throughout the generations.They established a secret clan, infiltrated the state, manipulated wars, ascended the God Pantheon stairway, and fought for the honor and future of the family.They were assassins lurking in the shadows, beloved scholars, esteemed priests, powerful dukes, and legends in heroic epics.From budding to robust growth, steampunk evolved; the Spirit Realm descended through dreams; witches and ancient gods stepped forth, and people listened to the lost whispers at their ears.They were both the creators and the enders of stories.Generation after generation, in a continuous succession, they marched forward.“Step over my corpse and go on,” he said.

[The 3000th Descent of Mystery is about to begin.][This is your only chance to redeem yourself.]When the whole world was in danger, Wang Teng activated a unique talent.It was the Rank SSS talent - Inequivalent Exchange!He was not purchasing things for free, but the exchange was not equivalent.[Exchange successfully. You used half a bowl of cup noodles. With your Rank SSS talent, you may retrieve an unlimited supply of cup noodles.][Exchange successfully. You used a bottle of Sad Breeze wine to exchange for the Star Shifting Method.]…From then on, Wang Teng activated a new exchange system.

After choking to death on a watermelon, Rong Jiahui thought that she would enter the netherworld and be reincarnated.

But when she opened her eyes, she discovered, to her very horror, that she had returned twelve years into the past…

Looking at the beautiful and awkward “little brother” that would be conferred the title of Marshal in the future for outstanding military service, she almost let out a snort of laughter.

She firmly decided to hug the thigh of this little brother, and climb to the top of her life!

The plan was beautiful, but it had just one problem.

Why had this little brother… suddenly turned into…

A little sister…

- Description from Novelupdates