おカネのことはギャルに聞け!? 節約同棲ラブコメ! 陰キャオタクで御曹司の男子高校生・金剛寺豊の生き甲斐は、有り余る小遣いを推し活につぎ込むこと。しかしある日、親が事業に失敗し、単身ボロアパートに引っ越す羽目に!! 訳も分からず新居に向かった豊だが、そこにはクラスの陽キャギャル・日向璃乃が居て…? Yutaka Kongouji is the son of a wealthy family, but also an introvert and an otaku. He lives only to spend all his allowance supporting his favorite idol. But when his parents’ business fails, he has to move into a run-down apartment on his own. There he ran into Rino Hyuga, a popular gal in his class?