OBA-261 My cousin Mari Aoi who secretly tempts me

As a final refresh before his exams, Kyosuke decided to go to Comiket (a comic market) held in the countryside. His mother happened to learn that this event was being held near her sister Mari's house, so she asked Mari if he could stay for a week. On the day of, every time Kyosuke saw Mari, he was surprised. It turned out that Mari looked strikingly similar to his favorite anime character, 'Magician Lady Romano.' Since then, Kyosuke couldn't stop thinking about Mari…