My Senior Became an Otaku Princess (Live-Action Version EBWH-031)

My girlfriend is a senior in the brass band club, like a princess. She graduated earlier than everyone else and joined the university's animation club, but... in the club, she met the amazing illustrator Shion, and slowly, her behavior started to become strange... "This big-breasted girl... is so cheesy lol" To me, she's like a princess, but she's treated like a 'supporting character' by the savage men in the club...