Kitahara-san is cheerful, has many friends, and is the most conspicuous person at school... She lives in a different world than me. I'm a gloomy person who is good at sewing, but by chance I ended up making a cosplay costume for Kitahara-san. As a virgin, I was seen with an erection during the measurements, which was very stimulating, and I made a big mistake with Kitahara-san's footjob (crying). Later, as soon as I put on the completed costume, Kitahara-san became the character...