If you're looking for manga similar to Last One, you might like these titles.
A story about the path to maturity, and how that affects two friends. Gakky and Utsumin are always together. What happens when one friend wants to grow up faster than the other?
A girl sees stars in the people and things around her. Some are bigger and shine, others dull and dim like her own. She meets two boys from school one day who show her that all stars can shine brightly, if you see them the right way.
Oneshot about love, religion, and a big misunderstanding that leads to a weird situation...