Counterattack System appeared when I'm already At The Mahayana Realm - Chapter 670 - 669: I Gave You Opportunities

At 18, Alex Kain is whisked away to Eryndor, a game-like realm where he gains 'Skill Synthesis', a talent to fuse skills into godlike powers. Battling monsters and conquering dungeons, he builds a harem of strong women drawn to his might and charm. With the power to return to Earth bearing incredible resources, Alex faces a growing threat that endangers both worlds in this epic of adventure, romance, and ambition.

The previous life is nothing but a joke. Being used completely then abandoned mercilessly. How can I be this stupid to not even notice such an obvious scam? Fortunately, I can have a second chance with my rebirth. Sister, Brother Yi and whoever mistreated me in my previous life, are you ready for my revenge and the counterattack of a princess?

ichiro sakutaa 16 year old High schoolstudent who is so hornythat even the boy's are afraid of him and no one tries to be close with him, and he doesn't get any sex in his world due to some acts of his and verious reasons that we will find out,but one day he gets transmigrated to another world where gender morales are reversed and women's are more sexually aggressiveas soon as he realised this he begins his journey to start hisHarem but he doesn't understand that he is letting his impulsive thoughts to do evil things and becomes a sexual perverted serial killer( his Harem will not accept eachother )( either with one of them or be dead )( rape, piss drinking, scat, loli, pedo, super pedo, femboy, cross-dressing, heavy spitting/saliva drinking fetish, heavy necrophilia sex, cannibalism sex, food sex fetish, incest, forced feminization, penetration, sexual killing, zoophilia, animal sexual abuse )mc is beyond degeneration pure evil

In a world where the strong rule, Ben is mistreated and humiliated. What happens when someone weak has the opportunity to gain power by doing bad deeds?(Revenge, action,sexo, violence)