Basically his LAN connection failed in the middle of the speech against the Final Raid Boss. He should've just Leeroy Jenkins the shit out of it.
And yeah, that girl in the hospital might be the spirit of Youtas school friend, or something, or even Yumi (who are kinda the same person, reflexively, at least in appearance according to MC himself).
Or it could be his nudist sister, his father debt slave or a professional mourner (following some strange family custom of being undress)....