A high profile Japanese brothel located in the Southwestern area of Keikomano Town, Japan. The building was created during the Meiji Era, when westerners were allowed back in Japan. But only men who look physically attractive are hired at House of Kion to work as prostitutes. One of Autumn Strongwell's love interests, Katsumi Iwamoto, works here. 

Keikomano Town is a fictional port city located right next to the Pacific Ocean, while residing on the outskirts of Tokyo, Japan. It's one of the important locations in Strawberry Sakura, with Autumn Strongwell's romantic journey starting here. 

One of the main love interests of Autumn Strongwell's, as well as one of her six cousins born in Japan. He works at a brothel in Keikomano Town, where a large portion of his earnings come from. For five years, Katsumi developed feelings for his bigender curvy cousin Autumn since they both met, but he never had the guts tell him how he felt. Now that his love has been reciprocated, what will happen next?

The main protagonist of Strawberry Sakura, a black bigender curvy woman who has lived in Japan for at least six years before she met Katsumi at her aunt Cecily's wedding. She often takes chances at challenges that might seem impossible at first, but he's willing to see them through. Autumn really loves Katsumi, accepting her cousin working as a sex worker directed towards both businessmen and the Yakuza. 

Katsumi's journal is the most important plot point that helps Autumn and Katsumi start their relationship in the prequel, Burning Love.