Kusozako Choroin Nishiga Hachi is a Manga/Manhwa/Manhua in english language, SUGGESTIVE series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Nishiga Hachi, a female kouhai, wants to make our protagonist, Azuma, to care about her by constantly following him around. She always tries to get the upper hand, but because of her shitty logic and stupidity, she always ends up in tears after Azuma brushes her off. A Counter Rom-Com about a gullible kouhai heroine and a super-dry protagonist!