Interesting use of the unreliable narrator to actually put a surprising spin on the Koyun and Igrashi relationship. It is more so the guilt Koyun has for hurting Igrashi. Honestly, this aligns a lot with Koyun’s character because she has shown to put herself down. It adds up that Igarashi would pretend not to know Hikawa because if that was a rough breakup, then I could imagine that could be a way for him to sort his feelings.
Mika’s support for her friends is great. For someone like Koyun, it means so much to her and makes their friendship wonderful. The problem with Youta is that she is the one he likes. I wish he didn’t hesitate, but it makes things tricky going forward. As Minato and Koyun both know of Youta’s feelings for Miki and Miki pushing for Youta to be with Koyun can make things awkward.
It does feel there is some stuff on Koyun’s side that we are still left in the dark about. It seems to be implied that Atagawa bullied her, but it is unclear when exactly that happened regarding her breakup with Igarashi. Also, her mention of herself clearly is her thinking she isn’t a good person.
On the other hand, her friendship with Tsukiko is turning out to be very sweet.