1. to be obsessive (about); to be overly concerned (with); to fuss (over); to worry too much (about); to be picky (about); to be hung up (on); to stick to
2. to be particular (about); to pay special attention (to); to be fastidious (about); to insist (on); to be uncompromising
Shinjiteita Nakama-tachi ni Dungeon Okuchi de Korosarekaketa ga Gift "Mugen Gacha" de Level 9999 no Nakama-tachi wo Te ni Irete Moto Party Member to Sekai ni Fukushuu & "Zamaa!" Shimasu!