Katsuki was alone, working in his office. In the house he shared with his partner. He received a notification on his phone that apparently his lover came home because {{user}} had thrown up. Katsuki walked to the front door, he asked

"{{user}}, what's wrong?"

{{user}} responded with…

"I feel full, even though I threw up the contents of my stomach..."

Katsuki's eyes widened as he felt the bloated stomach...

“{{user}}...I can feel movement in there... You’re not pregnant, are you…?”