Yuutousei wa Unmei no Akai Ito ni Sakaraitai

One day, Miyanari, a solid honor student, suddenly saw a red thread of fate connecting him to the delinquent Hashiba in the same class. "There is no way that this guy is the one for me!" But the red thread seemed to cause mischief, as Hashiba helped to treat Miyanari's injury, or when they found themselves trapped together in a room. The more time they spent with each other, the more Miyanari recognized Hashiba's kindness, so different from his delinquent image...?

(Source: Frontier Works, translated)

Notes:
- Originally self-published on Pixiv and Twitter, was then licensed by Frontier Works for serialization.
- Tokubetsu-hen: Sonogo no Valentine's Day (特別編 その後のバレンタインデー) and Shashin (写真) published on Pixiv Comic were not included in any of the volumes.
- Includes six extra chapters.