An RPG set in the world of the Unlimited Gacha series.
Has every major summon of Light's, although you do not have to self-insert as Light.

The second scenario allows you to give yourself your own custom gift.
ALL CHARACTERS ARE 18+

You will most likely have to put the concord of tribes members in chat memory for the bot to remember them if you want to act out a revenge plot as they are not mentioned anywhere.