Neat category I had in mind a few months ago, now actually recorded a video and see there, we've got it now :3

Therun.gg: https://therun.gg/Valeriaaa_CHAN/Multiple%20Metal%20Gear%20Games/Raiden%20Duology$platform%3Apc$gameregion%3Aeurpal$variables%3Adifficulty%3Dmultipledifficulties

Raiden Duology

MGS2 - Plant - Very Easy - NG+ played on PC RTA segment: 58:46

MGRR - Hard - NG+ - played on PC RTA segment: 1:03:38

RTA after removal of Monsoon cutscene time: 1:02:23

Total RTA combined: 2:01:09