 SID heated back up in the winter months, releasing their first full album, "Renai" (レンアイ), and taking part in both their label-sponsored 'tenka' event put on every Christmas and the Beauti-Fool's Fest 04 event sponsored by Fool's Mate magazine.They continued to participate in lives and events well into the next year, which included their first one-man tour.The release of their second album followed.