秘密―ひめごと

Synopsis

(from ebookjapan): Miya was happily married and living a wealthy life in an apartment in Shirokanedai. She was loved by her husband and had everything she wanted. However, everything falls apart when she is reunited with Itoko, a classmate from junior high school...　 A completely new work by Masako Watanabe, a master mangaka with 68 years of experience!