No Love's Like to the First.

Ritsu Onodera meets and immediately falls for upperclassman Masamune Saga. Keeping his distance for the next three years, he unexpectedly runs into Saga at the school library and finds himself confessing, and is even more shocked when Saga says he has no problem hanging out with him. At Saga's house events take an unexpected turn, and Ritsu finds himself in a relationship with the boy of his dreams. In the end Ritsu wakes up at work, now 25 years old and dreaming about a flame from his past who jaded his view on love, and is antagonized by his boss Masamune Takano for falling asleep during a busy time of the publishing cycle.