Yozakura Quartet (Japanese 夜桜四重奏 ~ヨザクラカルテット~ Yozakura shijuusou 〜 yozakurakarutetto 〜) is the 2008 anime series about the city's population by humans and yokais (Japanese shinto demons).
The following weapons were used in the anime series Yozakura Quartet:
Kousuke Yoshimura fires a stainless steel SIG-Sauer P220 in "Cherry Blossoms Bloom" (S1E01). In the same episode, his pistol is briefly seen in the hands of Rin Azuma.
SIG-Sauer P220 (blued)
Kousuke Yoshimura also briefly holds blued SIG-Sauer P220 in "Cherry Blossoms Bloom" (S1E01).
Glock 18
Kousuke Yoshimura owns a few dozen handguns. Most of them couldn't be IDed, but two are partly seen. The first one is the Glock 18. He fires it akimbo with Beretta 92FS Brigadier Inox.
Beretta 92FS Brigadier Inox
Kousuke Yoshimura owns a few dozens handgun. Most of the couldn't be IDed, but two are partly seen. The second one is the Beretta 92FS Brigadier Inox. He fires it akimbo with Glock 18.
Tokarev TT-33
One yakuza member briefly uses Tokarev TT-33 in "Sea of Stars. Part 1" (OVA 1.1).
Desert Eagle Mark I
Old policeman Tokui fires a Desert Eagle Mark I in "Tears of the Moon. Part 2" (OVA 2.2). Yuuhi Shinatsuhiko (as a child) briefly holds another Desert Eagle Mark I in "Tears of the Moon. Part 3" (OVA 2.3).
Squirt Pistol
Squirt Pistol can be seen during the final credits of the OVA Season 1 episodes.
Revolvers
Nambu Model 60
Various policemen use Nambu Model 60 revolvers throughout "Tears of the Moon. Part 3" (OVA 2.3).
Smith & Wesson Model 10
Tokui fires a Smith & Wesson Model 10 during the opening of all "Tears of the Moon" (OVA 2) episodes.
Submachine Guns
MP40
A yokai with the power to materialize any object, Kotoha Isone can conjure MP40 submachine guns and uses them throughout the series.
Shotguns
Ithaca 37
Several Ithaca 37s are seen at the Sakurashin police station in "Tears of the Moon. Part 3" (OVA 2.3).
Rifles
Karabiner 98k
Kotoha Isone is seen holding a Karabiner 98k during the opening scene of "Thorny Path, Part 1" (S2E05).
Barrett M82A1
Tokui fires a Barrett M82A1 in "Tears of the Moon. Part 3" (OVA 2.3).
Launchers & Flamethrowers
RPG-7
Juli Frankenstein fires an RPG-7 in "Tears of the Moon. Part 3" (OVA 2.3).
Flammenwerfer 35
A yokai of German origin, Kotoha Isone conjures a Flammenwerfer 35 in "Thorny Path" (S1E10).
Grenades
Model 24 Stielhandgranate
A yokai of German origin, Kotoha Isone conjures Model 24 Stielhandgranates in "Spinning Song" (S1E06). She also conjures one in "The Wind of Spring" (S2E02).
Heavy Weapons
8.8 cm Flak 36
Kotoha Isone can conjure a 8.8 cm Flak 36 and uses it throughout the series.
Karl-Gerät
Kotoha Isone conjures the Karl-Gerät in "The Wind of Spring" (S2E02).
Schwerer Gustav
Kotoha Isone conjures the Schwerer Gustav twice in "In Front of You" (S1E11) and in "Thorny Path, Part 2" (S2E06).