ADN-754 Hoshimiya Ichika, a boy who fell in love with a famous writer's mistress

"I can't write... I can't think of anything. The setting... The story! It's time for today! Yumiko, prepare the drinks!" In the past, many writers had lovers and relationships. He sleeps at his mistress's house and writes novels based on her words and actions. Kawanabe Seiichi and Yumiko had a similar relationship... The only person who knows about their relationship is Kiyoshi, the liquor store order taker...