No. If I fall in love Hanamaru Library

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

A novelist and shy novelist, Ayumu lives with his son Yahiko, whom his deceased wife left behind.
Since his wife's death, he has been shocked and unable to write a novel. However, he takes great care of Yahiko, who has become a popular child actor with his mother's blood, even though he is not reliable.
One day, when I go to a TV drama shooting site with Yahiko, Kosei Fujima, a popular young actor who is also a co-star, suddenly tells me, "I'm making money from my son."
Ayumu is deeply hurt by the terrible words from Kosei, whom he secretly longed for.
What is the future of the hearty love between a popular actor and a shy novelist?