MTL - Demon Slayer Starts From the Proficiency Panel - Chapter 90 【090】Dragon

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

The Swordmaster who has returned by chance to save the world!

He was reborn in the world of Naruto as a member of the Uchiha clan, known as Uchiha Genya. Born with the rare dual-pupil Sharingan, many saw him as a monster. Luckily, his father, Uchiha Kinya, was wealthy and influential, and he managed to protect Genya along with his mother Senju Yumi.Genya hoped for a peaceful life, but everything changed when he turned seven. The night of the Uchiha clan's massacre began.“You want to wipe out the clan and kill my father? Then don't blame me for fighting back”Uchiha Itachi: “Can your cursed eyes really break through my genjutsu?”“Dual-pupil Sharingan with six tomoe? How terrifying will you be when you awaken your full Sharingan? How many powers will you possess?””What terrifying strength... One punch can shatter the Susanoo!“That fateful night, Itachi slaughtered the Uchiha clan and defected from Konoha, but Genya managed to protect those loyal to him.Uchiha Obito: ”Genya can actually disrupt my Kamui?“Madara: ”A dance, you say? Ahem... Genya doesn't need to join!“Ten-Tails: ”This guy has more chakra than me!“

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.