Koboreru Ambivalence

Wataru, a senior in high school, decides to clean up the school grounds in order to earn enough credits to graduate. His partner for cleaning activities is Yuugo, a freshman who has been absent from school for some time. Wataru is taken aback by Yugo's cocky attitude, but he can't help but notice the resemblance between him and his childhood friend, and he starts taking care of him. But Yugo has a secret...?

(Source: Tokyo Mangasha, translated)