MTL - The Fallen Merman - ~ Rabbit and Curare: Three Days of Romance (1)

Riven was a young man with dreams as vast as the horizon, but life demanded sacrifice. To support his struggling family, he gave up his education and ambitions, shouldering endless work to keep them afloat. Yet, his loyalty was met with the ultimate betrayal by his own father.As his life slipped away, Riven awoke in an unfamiliar world brimming with magic, reincarnated by a mysterious system. Gifted with a peculiar mana heart that pulses with untold power, Riven is thrust into a realm of mages, monsters, and ancient secrets.Determined to rise above his tragic past, Riven vows to become the strongest mage in this new world, uncovering the mysteries of his strange mana heart and the enigmatic system that guides him.

Mana Awakening. Systems. Gates. Reincarnation.Any one of them would be enough to build a story around. But Ellis’s story has them all… and more.It began with the sudden changes to his world, and how Ellis believed he was adaptive enough. That maybe, finally, he could achieve something.But with coincidences and circumstances stacked against him, in the end… he was reincarnated into a different world.What awaits him there? Will he be able to return to Earth?And more importantly, will he let the circumstances dictate the course of his life again?

In Academy City, magic and science coexist in an unwavering power struggle. Toma Kamijo, an academically-challenged student in Academy City, wields the power of the Imagine Breaker in his right hand, which allows him to completely negate all supernatural powers – as well as his own luck. When he happens upon a mysterious nun named Index, whose mind has been implanted with the Index Librorum Prohibitorum – 103,000 ancient texts banned by the Church – Toma’s luck is about to be pushed to its limits when he finds himself in the middle of a war he never expected!

This is the story of a modern sailor who was accidentally reborn as a soldier of the Brazilian Expeditionary Force, and finally became the largest plutocratic family in Brazil by virtue of his foresight.

- Description from novelbuddy