Akiba's Trip: Undead and Undressed Strategy Guide:
Underwear

The table below lists each underwear and a possible location for finding it. The locations are not exhaustive; you may find underwear from missions and NPCs not listed below. 

Name	Gender	Where To Find
Everyday Underwear	Male	Starting clothes
Shizuku's Underwear	Female	Shizuku (Shion route)
Rin's Underwear	Female	Rin (Shion or Tohko route)
Tohko's Underwear	Female	Tohko (Shion or Rin route)
Kati's Underwear	Female	Kati (Shion route)
Shion's Underwear	Female	Shion (Shizuku's route)
Sister's Underwear	Female	Nana (Side Mission 40: Sister's Bodyguard)
Kaito's Underwear	Male	Kaito (Shion route)
Yuto's Underwear	Male	Yuto (Shion route)
Pop's Underwear	Male	Pops (Shion route)
Zenya's Treasured Underwear	Male	Zenya
Sakaguchi's Underwear	Male	Sakaguchi
Soga's Underwear	Male	Soga
Proper Briefs	Male	Battle Arena Rank B
Boxer Shorts	Male	Battle Arena Rank B
Blue Checkered Boxers	Male	Battle Arena Rank S
Yellow Checkered Boxers	Male	Battle Arena Rank S
Blue Striped Boxers	Male	Battle Arena Rank B
Pink Striped Boxers	Male	Battle Arena Rank D
Moderately Uncomfortable Straw Rope	Male	Battle Arena Rank B
Yamee's Secret	Male	Battle Arena Rank S
Sporty Underwear	Female	Main Missions
Simple Underwear	Female	Main Missions
Fancy Underwear	Female	Main Missions
Suggestive Underwear	Female	Battle Arena Rank S
White Spotted Underwear	Female	Main Missions
White Spotted Underwear with Stockings	Female	Main Missions
Blue Spotted Underwear with Stockings	Female	Main Missions
Innocent Underwear	Female	Battle Arena Rank A
Sexy Underwear	Female	Main Missions
Pink Silk Underwear	Female	Main Missions
Red Silk Underwear with Fishnet Stockings	Female	Battle Arena Rank B
Black Lace and Garters	Female	Main Missions
Babydoll with Garters	Female	Battle Arena Rank C
Navy Blue Underwear with Leggings	Female	Battle Arena Rank S
Cute Underwear	Female	Battle Arena Rank D
Strawberry Underwear	Female	Soga's minions (Shizuku route)
Pink Underwear	Female	Side Mission 30: iDOL dIS@STER
Active Lifestyle Underwear	Female	Battle Arena Rank C
Red Checkered Underwear	Female	Side Mission 46: iDOL dIS@STER 2
Babydoll	Female	Battle Arena Rank B
Gothic Lolita Underwear	Female	Battle Arena Rank C
Simple Underwear with White Knee-Socks	Female	Main Missions
Simple Underwear with Black Knee-Socks	Female	Battle Arena Rank A
Songstress Underwear with Knee-Socks	Female	Battle Arena Rank D
Diva Underwear with Knee-Socks	Female	Main Missions
Suzu's Underwear with Knee-Socks	Female	Battle Arena Rank S
Lili's Underwear with Knee-Socks	Female	Battle Arena Rank S
Touka's Underwear with Knee-Socks	Female	Battle Arena Rank S
Yomee's Secret	Female	Battle Arena Rank S
Shizuku's Bikini Liner	Female	5Day's (Electric Town Plaza) [DLC]
Rin's Bikini Liner	Female	5Day's (Electric Town Plaza) [DLC]
Tohko's Bikini Liner	Female	5Day's (Electric Town Plaza) [DLC]
Kati's Bikini Liner	Female	5Day's (Electric Town Plaza) [DLC]
Shion's Bikini Liner	Female	5Day's (Electric Town Plaza) [DLC]
Sister's Bikini Liner	Female	5Day's (Electric Town Plaza) [DLC]
White School Swimsuit Liner	Female	5Day's (Electric Town Plaza) [DLC]
Tiger-Striped Bikini Liner	Female	5Day's (Electric Town Plaza) [DLC]
Hula's Pre-Transformation Underwear with Knee-Socks	Female	5Day's (Electric Town Plaza) [DLC]
Hula's Underwear with Knee-Socks	Female	5Day's (Electric Town Plaza) [DLC]
Shizuku's Underwear [Dark]	Female	5Day's (Electric Town Plaza) [DLC]
Rin's Underwear [Imperial]	Female	5Day's (Electric Town Plaza) [DLC]
Tohko's Underwear [Fiery]	Female	5Day's (Electric Town Plaza) [DLC]
Kati's Underwear [Bright]	Female	5Day's (Electric Town Plaza) [DLC]
Shion's Underwear [Expository]	Female	5Day's (Electric Town Plaza) [DLC]
Sister's Underwear [Loving]	Female	5Day's (Electric Town Plaza) [DLC]
Shizuku's Sunburnederwear	Female	5Day's (Electric Town Plaza) [DLC]
Rin's Sunburnederwear	Female	5Day's (Electric Town Plaza) [DLC]
Tohko's Sunburnederwear	Female	5Day's (Electric Town Plaza) [DLC]
Kati's Sunburnederwear	Female	5Day's (Electric Town Plaza) [DLC]
Shion's Sunburnederwear	Female	5Day's (Electric Town Plaza) [DLC]
Sister's Sunburnederwear	Female	5Day's (Electric Town Plaza) [DLC]
Shizuku's Sunburnederwear [Dark]	Female	5Day's (Electric Town Plaza) [DLC]
Rin's Sunburnederwear [Imperial]	Female	5Day's (Electric Town Plaza) [DLC]
Tohko's Sunburnederwear [Fiery]	Female	5Day's (Electric Town Plaza) [DLC]
Kati's Sunburnederwear [Bright]	Female	5Day's (Electric Town Plaza) [DLC]
Shion's Sunburnederwear [Expository]	Female	5Day's (Electric Town Plaza) [DLC]
Sister's Sunburnederwear [Loving]	Female	5Day's (Electric Town Plaza) [DLC]
Butterfly Lingerie	Female	Director's Cut DLC Main Mission 46: Battle against Dark Kati
Gleipnir	Female	Director's Cut DLC Main Mission 47: Battle against Dark Shizuku
Orange Butterfly Underwear	Female	Director's Cut DLC Side Mission 6: A Dream is a Wish