• Book Name: Haibara-kun wa Gokigen Naname Manga
• Alternative(s): 灰原くんはご機嫌ななめ
• Genre(s): Romance
• Author(s): Hatta Ayuko
• Status: Completed Download Manga
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Summary: Although Mio wanted to become good friends with Haibara-kun who transferred to her class. But the first impression she received was the worst ever! But since with her grades, she was in danger of getting retained for a year, she has to go beg Haibara-kun to help tutor her??