Episode 6 - S1.E6

Mitsuki learns she is pregnant and tells Shiro he is the father. Despite his misgivings, Shiro still loves Mitsuki and attempts to change for the sake of their marriage. Since Otoya moved out, Ichiko realizes how much she came to depend on him as she comes down with a severe cold. Otoya rushes home to care for her and they make up, but unaware of all this, Rei confesses his feelings for Ichiko.