Proposal : Update Manga Unmei no Hito wa, Yome no Imouto deshita. synopsis

Proposal details

This proposal will make the following change(s):

Update the synopsis of the manga Unmei no Hito wa, Yome no Imouto deshita.

Change the synopsis from:
Unknown
to
Will it be his wife in this life, or her sister, whom he swore his love to in a previous life! (Source: Dengeki Bunko, translated)

Based on the following reason: Missing