Hinako, a friend of Asahi's older sister, is a frequent guest at the home of the high school boy. She always misleads his mind with her suggestive attitude while treating him like a little brother...or rather, pet? A love story between a gal who has a bugged sense of proximity and an otaku guy who acts like her parent!

男子高校生・旭の家に入り浸る、姉の友人・ひなこ。いつも思わせぶりな態度で心を惑わせるのは、弟…というかペット？扱いだからと思っていたけれど…？距離感バグりぎみギャル×おかん系オタク男子、ジレきゅんラブ！