Perfect world, 8

Tsugumi goes to Itsuki's apartment and tells him that she regrets it. What feelings do those words convey? After the earthquake, Maika convinces Tsugumi to go to Tokyo to visit them. She has broken up with her boyfriend Haruto, who is in a wheelchair, but, when Tsugumi meets them, they assure her that neither of them regret having broken up. That night, Tsugumi had planned to go to Hirotaka's apartment, but instead of going there, he goes to Itsuki's house. What does he want to tell you? Will your feelings change again?