i am trying to find two manga:
one is about a girl who finds her idol and start dating her without telling her that she is a fan or that she knows her identity , one time the idol has an event during their anniversary and tell her girlriends she has something to do that day. the girlfriend understand but the idot gets mad that she is always so accepting .later at the event the girlfriend is spotted by the idol and the girlfriends tell her everything.
the second one is about a gyaru i think and an office woman who start dating .after one years the gyaru realize they haven't had sex despite her having sexy underwear, one time at her appartement she spot the woman having the same underwear as her and hug her and they start having sex