i think let him grow without rias as a chaos brigade member and when the fruit is ripe pluck it simple or in btw you can also disturb his harem root not that desperate just some good individuals like Asia etc
author i think you should change the bartender to other thing which will match the theme you have set Omniverse conquest is op and use something better than bartender becoz he is a research hm hmhmhmhmhmh not bartender [img=update]