Awesome Music / Keit-Ai

• For an anime that doesn't exist, the tracks selected for the mock Keit-Ai OST sure are some of the catchiest DECO*27 (and otherwise) songs around as picked by anons from 4chan itself.^note These were the proposed songs included with the Keit-Ai copypasta as it got spammed more and more on 4chan as an original anime proposal concept. Fans of the concept eventually made Anime Music Videos for these "opening" and "ending" theme songs for good measure. They're even referenced at the Know Your Memes Keit-Ai videos page.
  • Opening Theme: "Love Distance Long Affair" by DECO*27 feat. Topi. This fan-picked song stands out because its lyrics discusses the hardships of having a Long-Distance Relationship that's a perfect fit for the Keit-Ai concept involving lovers from different dimensions (arguably the longest distance relationship possible).
    • This song is so intrinsically connected to Keit-Ai that one of the top comments on the official video contains the copypasta itself.
    • Furthermore, the ending musical sting for the viral Keit-Ai preview features notes from this song as well.
  • Ending Theme 1: "Heart's Homing Instinct" by DECO*27 feat. Aoi Yūki. This catchy tune, on the other hand, discusses how people whose hearts are one can home-in unto each other by instinct despite how they might hurt each other by doing so. This also reflects the struggles the lovers in Keit-Ai go through by falling in love with one another instead of their alternate universe selves even though they were supposed to set each other up. Their hearts also instinctively home-in unto each other despite them being in different universes.
  • Ending Theme 2: "Persecution Complex Cellphone Girl" by Otamin feat. Gumi. The song itself mostly discusses a girl with a persecution complex set to a techno beat. While it isn't as closely related to the Keit-Ai concept as the first two songs, it's an initially mellow theme song with hints of growing menace from its heartbeat-like electronic bass that captures the paranoia, desperation, and helplessness the two lovers from different dimensions have due to their unique circumstances. Either that or it was chosen by 4chan anons because it features multiple instances of the word "Keitai".
• The /a/ Sings CRY video ^note where anonymous users of the Anime and Manga board of 4chan individually sing the opening theme of Space Patrol Luluco and have their submissions combined into one collective track gets the Keit-Ai reference treatment care of its breakdown.
• Shaggy Rogers from Scooby-Doo dramatically reads the Keit-Ai copypasta while the music from the classic cartoon plays in the background.

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