There are many reasons for fans to love watching anime. Some watch for their storyline or characters, others enjoy listening to intriguing music and observing the superb visuals from each anime's opening. Regardless of the anime's opening showing spoilers or not, many enjoy listening to the vocalists' performance during the song.

RELATED: 10 Best Anime Openings Of The Decade, Ranked

Likewise, most anime openings have become well-beloved that many feel it'd be unjust to skip them even if fans are eager to see the new content of the episode. Like some shonen series, many seinen anime have delivered unskippable openings.

10 Inuyashiki: "My Hero," Tells The Story Of An Old Individual Who Wants His Family To Love & Respect Him

Inuyashiki and Hero from Inuyashiki

Inuyashiki was an anime that wasn't afraid to center its story around an older man who was trying his best to win the attention and love of his family before his demise from stomach cancer. The opening theme "My Hero" by Man with a Mission, showcases this beautifully with its 3D animated scenes of Ichiro Inuyashiki becoming a machine and fighting his evil adversary, Hiro.

RELATED: The 10 Most Confusing Origins In Manga & Anime, Ranked By How Little They Make Sense

It's a song that'll get to many people's hearts; one that fits beautifully with the goal Ichiro wishes to achieve toward the end of Inuyashiki

9 Ghost in the Shell: S.A.C. 2nd GIG: "Rise" is A Beautiful Collaboration Between Two Well-Acclaimed Artists

Ghost In The Shell

Ghost In The Shell: Stand Alone Complex is one of the best sci-fi anime fans can watch right now and one that will excite fans of cyberpunk and action-oriented anime. The anime's second season, Ghost In The Shell: S.A.C 2nd Gig, lived up to many fans' expectations and gave openings worth listening to on repeat.

On that note, the second season's first opening theme, titled "Rise," was an inspiring collaboration between well-beloved composer Yoko Kanno and the well-acclaimed vocalist Origa, also known as Olga Vitalevna Yakovleva. It's a theme many people loved listening to for Origa's voice, as it meshed well with the beautiful visuals of Makoto Kusanagi and the other characters from the anime.

8 Dimension W: "Genesis," An Electronic Hype-Inducing Song That Will Make Many People Want To Dance Like Mabuchi

Dimension W Promotional Art

Dimension W may be a bite-sized shonen anime fans can watch in one sitting. This anime tells a futuristic story about Mabuchi Kyoma and his robotic female companion Mira Yurizaki, aiming to stop one organization from harming illegals in their world. It's a sci-fi series with much action and flash, depicted beautifully in its anime opening titled "Genesis" performed by STEREO DIVE FOUNDATION.

RELATED: 10 Sci-Fi Anime That Redefine The Genre

The animation isn't anything to adore, but the hype-inducing music beats and the vocals heard in the song will make anyone dance as Mabuchi does in the early parts of the opening, even though some fans find it hilarious.

7 Kiznaiver: "Lay Your Hands On Me," A Beautifully Animated Opening With A Lot Of Emotional Weight

Kiznaiver cast from the Anime

IMDb declares that Kiznaiver is one of Studio's Trigger's best anime series with a premise that will make people laugh, smile, and cry at times. It features protagonists who share each other's pain, and grow substantially by the series' end, and its anime opening titled "Lay Your Hands On Me" by Boom Boom Satellites, was something many cherished.

Many cherished this electronic whimsical opening theme, considering how it soothed many peoples and how impactful it was regarding the future of Boom Boom Satellites, as it was the last song they'd perform as a unit. It's a song that'll make many cry and others smile, a beautiful opening theme at its finest.

6 Erased: "Re:Re:" Displays Intriguing Storytelling Visuals Wrapped Around A Pleasantly Sung Song

Erased Anime Opening

Like many anime of the past, Erased's opening theme titled "Re:Re:" performed by Asian Kung-Fu Generation is an anime opening with spoilers hidden within its sequences. The spoilers lie with Satoru's subtle movements behind a roll of film that displays different timelines concerning his life.

RELATED: 10 Anime Openings That Perfectly Match Their Series

Details aside, the anime opening provides enjoyable, pleasant vocals that receive a bump in tone near the end. It's a theme song many people love for its clever depiction of Satoru's struggles and one that will get people invested in watching the anime.

5 March Comes In Like A Lion: "Answer" Brilliantly Showcases Rei's Internal Struggles Concerning Emotional Maturity & Connecting With His New Family

March Comes In Like A Lion image.

March Comes in Like a Lion is one of MyAnimeList's favorite slice-of-life anime because of its main character Rei's internal struggles concerning emotional maturity and connecting with his adoptive family. It's a series filled with many heartbreaking moments that will drive people to tears, and its anime opening is titled "Answer" by Bump Of Chicken.

In the opening, fans will see Rei surrounded in dark and dreary environments meant to represent the complications that are spiraling out of control within his mind. The vocalists also do a fine job with the song's tone, matching up beautifully with the sequences that impacted Rei's life severely.

4 Bokurano: "Uninstall" Sets The Stage For Fans To Not Expect A Lighthearted & Joyous Ride

The cast of Bokurano.

Even though Bokurano may not be one of the best mecha anime ever to many fans, its intriguing opening theme called "Uninstall" by Chiaki Ishikawa will send people for a mystical and peaceful loop; thanks to the singer's compelling voice.

Bokurano is an anime known for its saddening tone and heartbreaking content that'll also give people life messages concerning friendship and family. The opening wonderfully showcases many sequences of characters alone and mechas destroying many areas in their path to get the concept across to fans that this isn't a series the faint of heart should watch.

3 Parayste - The Maxim: "Let Me Hear" Hooks Fans In From The Start With Its Intense Vocals & Stunning Visuals

Anime Parasyte The Maxim Shinichi Migi Hand

Parayste - The Maxim was a hit anime series that successfully hooked fans from the beginning thanks to its main protagonist, Shinichi, and parasitic friend Migi's mission to defeat every parasitic alien lifeform they encounter before it's too late. It's an anime that features many gory and intense action scenes and isn't for the faint of heart.

Parayste - The Maxim's opening theme titled "Let Me Hear," by Fear and Loathing in Las Vegas, captures that emotion beautifully. In the anime opening, fans can see Shinichi's life unfold before his eyes depicting his internal and external change in personality.

2 One-Punch Man: "The Hero!! Set Fire to the Furious Fist" Is Pure Hype From Beginning To End

Saitama, also known as One-Punch Man, walking away after defeating Boros

Since it first aired back in 2015, One-Punch Man impacted many fans, with many still comparing Saitama's strengths to many anime characters like Goku and others. With the power to defeat his enemies with "one punch," the series's anime opening titled "The Hero!! Set Fire to the Furious Fist" by JAM Project makes sure to highlight Saitama's strength magnificently.

The anime opening itself features Saitama in many locations fighting enemies left and right and defeating them with his signature "one-punch" maneuver. Not only that, but fans also get to see the other heroic figures who appear in the anime —despite Saitama being the main focus.

1 Tokyo Ghoul: "Unravel" A Titanic, Beautifully Designed Opening That Took The Seinen Fandom By Storm

Kaneki from Tokyo Ghoul

Last decade, there was much anime that took the world by storm. Two of these series were Attack On Titan and Tokyo Ghoul. While Attack On Titan took the shonen fandom for an intense ride, Tokyo Ghoul managed to deliver a similar experience for the seinen anime fandom, thanks to its memorable characters, intense scenery, and iconic opening theme.

Tokyo Ghoul's first opening, titled "Unravel" by TK from Ling Tosite Sigure, is a song that cleverly showcases Ken Kaneki's internal and external struggles with living his new lifestyle as a ghoul. The opening features dramatically, well-animated shots from many ghoulish and spooky characters Kaneki later encounters in the series. It's an opening that prepares fans for the events to come.

NEXT: 10 Unskippable Openings In Shonen Anime, Ranked