The Many Weaknesses of Ayaka the Yankee JK summary:
Her secrets that only I know... Izuki Hayashi, a timid otaku who has just entered high school and wants to become a manga artist, is sitting next to a very scary-looking Yankee JK! The way she talks, the way she looks, the way she acts, everything about her is terrifying... But it turns out, she has a lot of unexpected weaknesses?!