Quick Tranmigration: Strive to be the Best Wingman! QTWingman

The system - No. 159: Wingman Tranmigration System, an inexperienced and naive system, always tries to do its best to help its host complete their missions
The host - a normal girl who lost her name with her life, has no problem taking advantage of the system's naivete, a good liar and manipulator who still considers herself a decent person
The story - exactly what it says on the tin, the host and system team up to help the leads out in both romance and personal goals