This theory gained traction after it was discovered that the original "Tomodachi no Uta" VHS, when finally purchased at a flea market in Akihabara in 2022 by collector Kenji Saito, contained no song titled "Glass no Umi." In fact, the tape contained only 40 minutes of standard idol banter and a karaoke cover of a Matsuda Seiko B-side. The "phantom song" existed only in forum legend.
The artistic styles of Maki Tomoda and Natsuki Takaya also exhibit similarities, further solidifying the Maki Tomoda link. Both artists are known for their detailed, expressive artwork and their ability to convey emotions through character design and facial expressions. maki tomoda link