Saenai Kanojo no Sodatekata - Egoistic-Lily

Saenai Kanojo no Sodatekata - Egoistic-Lily summary:

A highschool otaku named Aki Tomoya runs into his dream girl one day...only to find that she has the faintest presence to his chagrin! Now with his otaku passions, Tomoya wants to turn the girl into a heroine in the only realm he is familiar with: 2D dating simulation game. To accomplish this objective, he scouts Eriri Spencer Sawamura, his half-foreigner childhood friend equipped with artistic talent, as the illustrator, and Kasumigaoka Utaha, a famous prodigy writer, as the script writer.