BxB ML or MC dont remember their pervious life There is no system or anything MC is going through a type of tribulations to be a immortal. First world: original was kidnapped and sold to countryside. After mc comes he saves a child who was kidnapped, ML. Shortly afterwards original parents, older brother, and adopted son come to take MC back. ........ Somethings happens...... Adopted son has a fiancée, who is a man... adopted son gets jealous of mc due to his fiancée attention to mc. Later mc says he likes men because mc felt someone would be sad if he denied it. ..... Later he develops game company ......... adopted son fiancée toast a wine to mc due to talk of cooperation with mc but adopted got jealous and says something to mc which breaks the cooperation........ adopted son engement got broken after this........ somethings happens......... develops more games and becomes super rich. Later lots of people pursue mc but no one lasted until the end except ml and they got together.