Kaita Mono o Jittaika Suru Nouryoku de Motenai Ore ga Harem Seikatsu

【S-Rank Skill Activated!! The Girl I Drew Becomes a Resident of the Real World!!】
Kagehiko was attending art school, feeling jealous of godly-skilled artists and frustrated with his own lack of improvement. One day, while brooding on a railway overpass, he bumps into a passing old man and... falls. When he wakes up... he realizes he's been granted "the ability to materialize what he draws." And then... starting with a dramatic reunion with Pastel, a beautiful girl he drew in his childhood, his life begins to turn around——.