Well Haruno surely isn't responsible, was thinking for a second he would clean the house and all but got tipsy, falling asleep.
Rinko taking care of irresponsible leech, she's more mature than he ever be.
It must be terrible to act normally, hiding personal problems and act your way through the day. That's depressing as fuck.
Mom probably found a job or is a gold digger, leaving her money as a farewell gift, not having a sense of responsibility by at least giving her to a orphanage. At one hand she supported her with money, but on another hand didn't had guts to tell her the truth.
Thanks for scanlation!