At least I believe she's drunk. The set of images sorta tells a story, maybe? Girl gets out of house nude. Falls asleep in train. Work. Beer. Drunk on the ride home. And I think one boy has a noseblled.

I just found a source for these:

g.e-hentai.org/g/191918/19b63b3344/

Artbook: "Hita Hita"