2005th, it has 27,496 monthly views.
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Haruka (14) and Sakura (12) are sisters. Yoshiko (14) and Mai (12) are sisters as well. So what happens when best friends Haruka and Yoshiko have an attraction to each others sisters of the Yuri kind?
Caution to under-aged viewers: The series Sisterism contain themes or scenes that may not be suitable for very young readers thus is blocked for their protection.