I am trying to remember the tittle of a manga I read not long ago. It is your typical fantasy world isekai; the protagonist gets the power to summon the characters from a game using points he gains adventuring...
The first character he summoned was a happy, upbeat gluttonous female knight who always wore helmet that concealed her face... when she removes her armor, she still wears a sleeping mask with eyes painted on it in order to hide her face. The reason she hides her face is, she is really shy.
The MC recently summoned a tsundere teen sorceress who is angry because before summoning her he said "she is powerful, but I don't like her personality... maybe I shouldn't summon her...", ignoring she could listening everything during the summoning ritual...