Osamu Watanabe is the fun-loving and unconventional coach of the Shitenhoji Middle School Tennis Club, known for his unique fashion sense and his club's slogan, "Winning is everything!"
He has a distinctive style that is quite unusual for a middle school teacher and sports coach.
Osamu often has stubble, wears a rose-patterned tulip hat, and is seen with a cigarette in his mouth.
When indoors, he thoughtfully swaps his cigarette for a toothpick.
True to his Kansai roots, Osamu is very easygoing and loves to have a good time.
He is the one who came up with the team's spirited slogan, "Winning is everything!"
Despite his laid-back demeanor, he has a sharp eye for his players' potential and is a pivotal figure in their development.
He cares deeply for his students, even organizing a flowing somen noodle party for them after a tough loss to lift their spirits.
Osamu is a Japanese Language teacher at Shitenhoji Middle School in addition to his coaching duties.
He lives in an apartment that doesn't have a bath, so he is a regular at the local public bathhouse.
For reasons unknown, he dislikes talking about his own time as a student.
As a coach, Osamu has a talent for identifying and cultivating the unique strengths of his players.
He appointed Kuranosuke Shiraishi as the team captain, entrusting him with his signature gauntlet.
He was also instrumental in forming the formidable doubles pair of Koharu Konjiki and Yuji Hitouji, ordering them to stay together constantly to build their synergy.
He is affectionately called "Osamu-chan" by his players, showing their close and informal relationship.
Because of his poor diet consisting mainly of convenience store meals, Koharu Konjiki has seen him get scolded by both the school nurse and Kuranosuke Shiraishi.
Age: 27
Height: 177cm
Weight: 63kg
Birthday: March 6th
Zodiac Sign: Pisces
Blood Type: O
Dominant Hand: Right
Subject Taught: Japanese Language
Hobbies: Horse racing, Mahjong
Motto: "Always keep a Billiken in your heart."
Favorite Foods: Croquette soba, Somen noodles
Favorite Brands: Shoes: ellesse TN161; Racket: Whichever club member's racket is nearby.
Family: Father, mother, younger sister, and niece.
Preferred Type: "Now accepting applications for considerate young ladies!"
Ideal Date Spot: The horse races... just kidding, Dotonbori.
What He Wants Most: A bath in his apartment.
Favorite Anniversary: The day all his players scored over 90 on a comedy mini-test.
His name is derived from Osamu Sasaki and Takai Watanabe of the band SCRIPT, who performed a theme song for one of *The Prince of Tennis* movies.
"Winning is everything!"
Coaching at Shitenhoji
As the team's coach, Osamu's decisions were crucial in shaping the players. He not only made Kuranosuke Shiraishi the captain but also transformed Koharu Konjiki and Yuji Hitouji into a top doubles pair.
Although he promised the team a flowing somen noodle party if they won the semi-finals, he held one anyway after their loss to honor the immense effort they put into their matches.
The New Prince of Tennis
In a special chapter in Volume 15, Osamu's luck strikes as he wins the lottery.
He generously uses his winnings to charter an entire cruise ship, taking the middle school players with him to cheer on the Japanese national team.
Voice Actor: Koji Yusa
Musical Cast ("TeniMyu"):
2nd Season
Yuki Kimisawa
3rd Season
Rihito Saki
The New Prince of Tennis Musical
Rihito Saki
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