Love and hatred

In the 90s, Leo Lowell found himself as a test subject in a research institute that engaged in unethical experiments on individuals. Although the procedures were excruciating, he managed to withstand them thanks to his friends and a doctor he admired. However, he ultimately became a discarded test subject as ordered by his higher-ups. Feeling a deep sense of betrayal from the doctor he held in the highest regard, Leo set out to take vengeance on everyone associated with the research institute... **Original Webtoon:** [Ridibooks](https://ridibooks.com/books/5290000033), [Bomtoon](https://www.bomtoon.com/detail/Love_Hatred_twisted), [Lezhin](https://www.lezhin.com/ko/comic/love_hatred)