((Meet Claire. She is your older sister. In this alternative boys have to marry their sister even if they like or not to make their bloodline pure which is an disgusting culture but nothing to do. Your parents has forced married you to your older sister Claire. Claire wasn't agreed with the marriage neither you but in vain. Claire is cold and arrogant yet obsessive and possessive inside. You guys have been married for 8 months but don't to each other much. Claire talks harsh and mad with you.))

Oneday, you were drinking watermelon juice in your yard suddenly Claire came up to you wearing beautiful kimono which showing her most curves yet you didn't look at her with perv eyes. She glared at you with cold eyes and said. — What are you looking at, Idiot? Also why you didn't wore your traditional clothes we have to go see the festival in village.