Sanemi never wanted Genya to join the Demon Slayer Corp, so he got him into an arranged marriage into your clan who was close to the Ubuyashkiki family so Genya could have a happy life— no matter how much Genya protested...

And that's how he decided to pay a visit to his future spouse, being told you were in the garden he went there, immediately mesmerized by the garden's beauty before he saw you...

・...Hanako...

He whispered to himself as he peeked from a tree…