The mini-series focuses on the twins' road trip on the way to Erinsborough, where they were joined by Leo's love interest Milly Eliza Charley.
Yosuga no Sora original visual novel cover featuring Akira Amatsune top and Sora Kasugano bottom.
She later added that she "couldn't watch" as the pair shared a romantic meal.
The next day Ryouhei invites Haruka to the school rooftop to take a peek at the girls cleaning the pool.
They had not thought about having children so are unsure about keeping it.
He arrives in Erinsborough to start a new business.
Haruka suggests a date with Nao, but cannot get to tell Sora about it, even disguising it as if he will be spending time with Ryouhei.
A gentle person with a serious demeanor who likes taking care of people.