shrink high

it's about everyone in the half of the city and town and including the school got shrunken to size as a pea or maybe a size as insects at least 90 of them and other half of 90 of them are normal size and they will mistaken them for for what they are. and also The plot revolves around the detective, Chijinda You, investigating the mysterious events and disappearances at Yabaize High School. aka half of the city disappeared from existence and they are in girl's school as tinys and now it's fight for survival and they must give them Attention to order to live and be back to there normal size or else they will get crushed, eaten and who knows what for there Uncertain fate by being crushed or eaten by high school girls