A Sign of Affection manga volume 6 features story and art by Suu Morishita.

Since Yuki met Itsuomi in that moment of kismet on the train, and then decided to pursue him, she's felt a new drive in her life. The two new lovers have been shopping, traveling, and walking in the snow. They've spent a quiet, thrilling day together under blooming flowers. But the text message that he didn't let her read sticks in her mind, and when Yuki and Itsuomi are alone at last, and she finally reads it, a nagging question is all she can think about. And she has no idea how Itsuomi will react.