He pretty much literally did the Oh no, she's sucking the hell out of her, stay back I'll sacrifice myself for you, she can suck me off instead! No, I insist, I will be the sacrifice!
Half dead huh? So, I wonder if her body still functions normally... Does she still eat and drink stuff like normal? Does she require blood or supplements of some kind?
Also next girl is definitely gonna be top tier, calling it right now. For some reason, sleep deprived workaholic girls are super hot to me, you know the ones that are barely awake and need caffeine just to get through the day. That's totally normal and not weird at all, right?
I've been wondering for a bit on why the Sister is here (besides fan service), took me a hot second to piece together that her roles is as the heart as our MC isn't the most social.