A psycho guy who pretend to be a girl

Can someone help me? I just saw it on tiktok but forget to save it . He pretend to be a girl to get close to his crush (senpai was he called her? Idk ┑(￣Д ￣)┍) and also his crush was not a guy but a girl shes just look like a guy because she have a short hair thanks in advance ヾ(❀╹◡╹)ﾉ~