JoJo's Pitter-Patter Pop! ★ Koichi Hirose
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Koichi Hirose (広瀬 康一, Hirose Kōichi) is a playable character in JoJo's Pitter-Patter Pop! with four different units. His first unit is Bronze Rarity (BR), his second and third are Gold Rarity (GR), and his final one is Double Gold Rarity (WGR) alongside Yukako Yamagishi.
Koichi was one of the first 30 playable units available when the game launched on October 10, 2018 with his "Body-Penetrating Sound" unit.
Body-Penetrating Sound
Koichi
Body-Penetrating Sound ver.
音を体にしみこませる ver.
音を体にしみこませる ver.
Rarity: 
Max Power: 1003 (Lvl 50) / 2173 (Lvl 80)
Release Date: October 10, 2018
Favorite Gift and Voiced Gift Reactions:
Skill: Echoes ACT1
Enhances the center panels
Skill Lv 1
# of Enhanced Panels: 4
Cooldown: 60
Cooldown: 60
Skill Lv 2
# of Enhanced Panels: 8
Cooldown: 60
Cooldown: 60
Skill Lv 3
# of Enhanced Panels: 8
Cooldown: 55
Cooldown: 55
Skill Lv 4
# of Enhanced Panels: 12
Cooldown: 55
Cooldown: 55
Skill Lv 5
# of Enhanced Panels: 12
Cooldown: 50
Cooldown: 50
Stickers
Koichi [Green/White]
Type: Shiny
Availability: Sticker Shop (300 Sticker Ink)
Date: July 13, 2020 - September 2, 2021
Requires: Green & White Units
Date: July 13, 2020 - September 2, 2021
Requires: Green & White Units
Shiny
Cost: 15
Power + 200
Sensation-causing SFX
Koichi
Sensation-causing SFX ver.
擬音が感覚を与える ver.
擬音が感覚を与える ver.
Rarity: 
Max Power: 1630 (Lvl 50) / 2830 (Lvl 80)
Release Date: May 12, 2019
Favorite Gift and Voiced Gift Reactions:
Skill: Echoes ACT2
Replaces random panels with partner's Box panels
Skill Lv 1
# of Replaced Panels: 1
Cooldown: 80
Cooldown: 80
Skill Lv 2
# of Replaced Panels: 2
Cooldown: 80
Cooldown: 80
Skill Lv 3
# of Replaced Panels: 2
Cooldown: 75
Cooldown: 75
Skill Lv 4
# of Replaced Panels: 4
Cooldown: 75
Cooldown: 75
Skill Lv 5
# of Replaced Panels: 4
Cooldown: 70
Cooldown: 70
Stickers
Koichi
Type: EX
Availability: Awakening
Date: October 28, 2020 - September 2, 2021
Date: October 28, 2020 - September 2, 2021
Sensation-causing SFX ver.
Cost: 0
After making a 4x4 or bigger, replaces 4 random partner panels with Enhanced panels (up to 5 times per battle).
Gallery
Poses
Icon
Stand-up Icon
Idle
Stand Idle
The husk of Echoes ACT1
Emerging from its shell
With his hair spiked up
Win Pose
Weight Increasing Strike
Koichi
Weight Increasing Strike ver.
重さを加える一撃 ver.
重さを加える一撃 ver.
Rarity: 
Max Power: 1630 (Lvl 50) / 2830 (Lvl 80)
Release Date: January 1, 2020
Favorite Gift and Voiced Gift Reactions:
Skill: Echoes ACT3
Enhances random panels and moves them all to the bottom
Skill Lv 1
# of Enhanced Panels: 4
Cooldown: 70
Cooldown: 70
Skill Lv 2
# of Enhanced Panels: 8
Cooldown: 70
Cooldown: 70
Skill Lv 3
# of Enhanced Panels: 8
Cooldown: 65
Cooldown: 65
Skill Lv 4
# of Enhanced Panels: 12
Cooldown: 65
Cooldown: 65
Skill Lv 5
# of Enhanced Panels: 12
Cooldown: 55
Cooldown: 55
Stickers
Gravity Echoes Act 3
Type: Normal & Shiny
Availability: Valentines 2021
Date: February 8, 2021 - February 21, 2021
Requires: Yellow Unit
Date: February 8, 2021 - February 21, 2021
Requires: Yellow Unit
Normal
Cost: 20
Shiny
Cost: 15
Stand Up Power + 120
Koichi
Type: EX
Availability: Awakening
Date: July 9, 2021 - September 2, 2021
Date: July 9, 2021 - September 2, 2021
Weight Increasing Strike ver.
Cost: 0
After using 3 skills, replaces all enhanced panels in the lower half with enhanced partner panels (up to 3 times per battle).
Gallery
Poses
Icon
Stand-up Icon
Idle
Stand Idle
Acting casual
Win Pose
Lovestruck Happy Hour
Koichi & Yukako
Lovestruck Happy Hour ver.
愛をつかんだ幸せな時間 ver.
愛をつかんだ幸せな時間 ver.
Rarity: 
Max Power: 1890 (Lvl 50) / 3240 (Lvl 80)
Release Date: February 8, 2021
Favorite Gift and Voiced Gift Reactions:
Skill: Our Hearts are in Sync
Replaces random cheer panels with Intensified Koichi & Yukako panels, then moves all of their own panels from the left and right to the center.
Skill Lv 1
# of Replaced Panels: 5
Cooldown: 85
Cooldown: 85
Skill Lv 2
# of Replaced Panels: 8
Cooldown: 85
Cooldown: 85
Skill Lv 3
# of Replaced Panels: 8
Cooldown: 80
Cooldown: 80
Skill Lv 4
# of Replaced Panels: 12
Cooldown: 80
Cooldown: 80
Skill Lv 5
# of Replaced Panels: 12
Cooldown: 75
Cooldown: 75
Stickers
Pure Love Yukako
Type: Normal & Shiny
Availability: Valentines 2021
Date: February 8, 2021 - February 21, 2021
Requires: Purple Unit
Date: February 8, 2021 - February 21, 2021
Requires: Purple Unit
Normal
Cost: 20
Shiny
Cost: 15
Erasing Skill Power + 120
Koichi & Yukako
Type: EX
Availability: Awakening
Date: February 8, 2021 - September 2, 2021
Date: February 8, 2021 - September 2, 2021
Lovestruck Happy Hour ver.
Cost: 0
After entering Stand Up twice, replaces random panel with Koichi/Yukako panel, prioritizing Block panels.
Gallery
PosesEvents
Icon
Stand-up Icon
Idle
Curious about Yukako's expression
Frightened by Yukako's anger
Eating sundaes on a date
Charging to Attack
Attacking
Win Pose
