Toriko

Three digital novels. Lucia, the protagonist's fiancee, is trained as a slave by Royd, the antagonist (Screenshots 2-6). The protagonist never got a chance to profess his love for the heroine and spends his days in envy. Then, a mysterious package arrives (Screenshots 7-8). The protagonist wakes up in some kind of institution. His memory is gone. Something must have happened (Screenshots 9-10).