Yamero Suki Ni Natteshimau

Matsuura is a quiet high school boy who has lived a peaceful life by keeping up his guard. He can easily see through other people's true nature, until he is approached by Kiwaki, a beautiful girl with twin-tails who usually hangs out with the popular kids…!? Whether she's being intentional or innocent, Matsuura keeps getting flustered by her unexpected actions…

(Source: Tonari no Young Jump, translated)