Meguri Kukuru

Kyoichiro Misato, leader of the strongest adventurer group, Golden Seekers, is betrayed by his comrades and trapped inside a gate. On the brink of death, he uses his powers to be reincarnated as Kyosuke Asai, a student mocked for being Attributeless, with seemingly no power at all. Kyoichiro, however, knows it holds potential beyond even the legendary Time attribute. Now in Kyosuke’s body at the adventurer academy, he begins to develop that potential and vows revenge on those who betrayed him.

Tomosato Ogino, a brilliant doctor, loses his life in an earthquake while operating on his younger sister. However, he finds himself reincarnated in another world and given the vocation of an "assassin" who specializes in the ability to kill people. As he struggles with the fact that he has lost his sister and his vocation, a girl who looks exactly like his sister appears in front of him...? In this otherworldly fantasy suspense, a former doctor who makes his living as a "revenger" gets involved in various incidents.