"No love's like to the first" is the first OVA in the Sekai-ichi Hatsukoi anime series. It aired the week before the first episode of season one.
The OVA takes place ten years before the start of the anime.
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.