お披露目会の成功を機にいち日と周の仲が急接近する中、鈴音が娘の小夜子を連れて「桑乃木」にやって来る！ 家出の原因が夫・縁とのわだかまりにあることを知り、2人をしばし預かることにするいち日。そこへ周の友人・有川（篠田諒）が恋人との披露宴を「桑乃木」で開きたいと直談判に来るなど、急ににぎやかになる「桑乃木」。そんなある日、いち日は、傷ついた鈴音に寄り添う周の姿を目撃し、 自身の“ある気持ち”に気付く。
While Ichika and Amane are rapidly becoming closer to each other after the success of the debut party, Suzune arrives at Kuwanoki with her daughter Sayoko! Ichika learns that the reason she ran away was because of a rift with her husband, Yukari, and decides to let them stay for a while. Amane’s friend Arikawa comes to Kuwanoki with a request to hold a wedding reception with his girlfriend at Kuwanoki, and Kuwanoki suddenly becomes a busy place. One day, Ichika witnessed Amane comforting Suzune, who was hurting, and realized her own “feelings”.
