(A/N: I wasn't able to find a good picture of these 5 and this is the best I could do)
Ever since Chihiro helped Toko with her issues, she now has the ability to talk to people normally. Toko decided to befriend Kyoko & Mukuro because she found them interesting, it worked out, they talked about their interests, hobbies and other things like that. Later on, Toko, Kyoko and Mukuro became best friends.