Tsunpri: Aishite Ohimesama - Chapter 3: The Earnest Princess Part 5

Ethan wakes up expecting to see the walls of a hospital room—only to find a system message blinking in front of him:[Ding! You have killed a green worm][Ding! Green worm has been added to your summoning list]

It is the story of a young man who died and was reborn as a level 1 skeleton soldier in an underground world. Follow our protagonist as he struggles to survive in a foreign, RPG-like setting surrounded by danger and monsters. Watch as he levels up and overcomes all obstacles through sheer perseverance and wit, rising to prominence

I, Hyoudou Issei, am a 2nd Year High school student and my age is equal to the number of years I haven’t had a girlfriend. And, someone like me got a girlfriend! I’m sorry buddies, I will walk the path of becoming an adult before you guys! – That’s how it was supposed to be, but why did I get killed by my girlfriend!? I still haven’t done anything yet! Are there no Gods in this World!? And, the person who saved me is the most beautiful girl in my school, Rias Gremory-senpai. I learned the shocking truth from her who isn’t a God but a Devil. “You have reincarnated as a Devil! Work for me!” Lured by Senpai’s breasts and treats, my life as a reincarnated Devil began. So the “Academy×Love Comedy×Battle Fantasy” starts here with just aggressive and worldly desires!

After transcending to a new world, Ye Xuan miraculously obtained the Swallowing System.

Not only could it swallow everything (wink wink nudge nudge), it could also extract bloodlines, martial arts, godly weapons, medicinal pills, treasures…

“This (beer) is way too strong! Don’t challenge me! Do you believe that I can’t swallow your divine swords?”

- Description from Novelupdates