Ok that scene of Chika and his dad made me cry, both of them weren't at fault, just a son looking for love and a father who forgot to love and struggling to ask for forgiveness.
Uzuki crying at the realization that, after hurting Chika in ways that are irreparable, trying to find ways to keep Chika, since he didn’t know how to be a friend, he finally did something that was capable of putting a smile on Chika’s face