Right before midterms. While studying together in the clubroom, they discuss grades and learn that Tomoyo has the worst grades in the group. On their way home, Hatoko asks Tomoyo if she'd like to study together. Together they study and talk about Andou when Hatoko accidentally lets "that's not fair" slip and unsettles Tomoyo.
If you do that again, prepare 
to lose two or three ribs.
إن عاودت الأمر، فتحضّر لبعض الأضلاع المكسورة
La próxima vez que lo hagas, te 
romperé dos o tres costillas.
La próxima vez que hables, te 
romperé dos o tres costillas.
Si tu recommences,
Se lo fai di nuovo, preparati
 a perdere due o tre costole.
Se fizer aquilo de novo, prepare-se para
perder duas ou três costelas.