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Lo que puedes hacer es revisar el mapa y tendria que dejarte visitar otra vez el hospital, ahi tienes una mini escena y despues regresas a dormir y llegas al máximo de lo que ofrece el juego, si falla todavía, puedes salvar tus partidas guardadas y instalar otra vez el juego. 

English

What you can do is check the map and it should let you visit the hospital again, there you have a mini scene and then you go back to sleep and get to the maximum of what the game has to offer, if it still fails, you can save your saved games and install the game again. 

What you have to do is get to 10 love with any character that appear at school After reaching that level, you will be able to revisit the hospital and repeat the scene and you will be able to ask for advice to improve your interaction with the characters and you will also have access to the jobs 

If you have already managed to return to visit your cousin in the hospital, it means that you have already reached the maximum content, from then on, there would only be a few scenes or minimal things left. 

Whether it's with the school club or if you can go to the hospital again, you can ask for a job

I recommend you make a copy of your save files and then install the game again, that way the game works better, not perfect, but better, I hope it works for you ^^