Get squeezed dry by this older girl who's got sex demon levels of sexual desire until she becomes pregnant!

Featuring a childhood friend older girl x incubus boy and their lovey-dovey, mutual love babymaking sex♪

The protagonist Aruto suddenly died from accidentally falling off a pedestrian overpass and got reincarnated as an incubus.
He now has the task of impregnating a human woman and getting her to give birth to demon children.

Meanwhile, at around that time, his childhood friend and girl next door Riri was heartbroken by the news of his death.
Seeing his childhood friend in that state began to awaken him as an incubus even more instead of making his heart hurt...

Riri and her ripe "body capable of pregnancy" will unleash his incubus instincts! He masturbates while peeping on her in the bath, and crawls into her bed at night to fondle her boobs as much as he wants. Even when she wakes up to him, she does nothing but tenderly accept his advances, and their naughty acts steadily escalate as she guides him!?

Their babymaking continues all night... will Riri successfully get pregnant with Aruto's child!?

(Source: DLsite)

Note:
Digital versions of part 1 include a full color short story extra "A Hot Summer with Fireworks and You / Kimi to Hanabi to Atsui Natsu (君と花火と暑い夏)"