Chapter 2 - Yoshino tells him she sold her Kidney for 4 million Yen (end)
Chapter 5 - Yoshino hits the guy and Kirishima gets angry because they hit her (middle)
Chapter 11 - Yoshino has a fever
Chapter 12.3 - Kirishima finds out the truth about the 4 million Yen
Raise wa Tanin ga Ii