If there’s one thing you’ll have plenty of inPromise Mascot Agency, it’s side quests, side quests, and more side quests. Most of these quests involve tracking down various collectibles, but the rewards are always worthwhile, usually offering upgrades or Hero Cards.

The ‘Fish For Sumire’s Knives’ quest is worth undertaking as you’ll unlock fishing straight away, and then completing the quest will earn you a lot of Hero Cards. Here’s what you need to know about how to start and complete this quest.

Fishing spot in Promise Mascot Agency.

How To Find Sumire

Sumire can be found on theeastern edge of the Fishing Marina, and if you don’t venture there by yourself, you’ll eventually be guided there by Pinky.

As well as offering Mascot Help Items and recruiting her as a Mascot Support Hero, you canspeak to her about town requests to undertake her ‘Fish For Sumire’s Knives’ side quest. Simply undertaking this quest will unlock the ability to fish at set locations in Kaso-Machi.

All Fishing Hole Locations

There arefive fishing holes across Kaso-Machiand each one contains one of the knives you need. It appears thatyour first attempt at each spot will yield the knife you want, though you can keep fishing to getMascot Help Items or money.

Deba Knife

This fishing hole is foundsouth of the Shopping Street, and will result in you fishing up the Deteriorated Deba Knife.

Fuguhiki Knife

Thisfishing hole is found south of Mayor Maeda’s Residence, just along the thing strip of river. You’ll find the Rust-covered Fugihiki Knife here.

Yanagiba Knife

Thisfishing hole is found just southwest of the Mechanicand will earn you the Rusted Yanagiba Knife.

Western Knife

Thisfishing hole is found northeast of the Mountain Summit, in the small pool south of the larger lake. Fishing here will earn you the Damaged Western Knife.

Usuba Knife

This fishing hole is foundnorthwest of the Kaso Shrine, in the thin narrow river. Here you’ll fish up the Corroded Usuba Knife.

Side Quest Rewards

Return to Sumire at the Fishing Marina and hand in all the knives (annoyingly, you’ll have to do it one by one). The first four knives that you give Sumire willeach reward the next upgraded Hero Card for Sumire, while the fifth and final knife will result in being rewardedthe Hero Card for The Crabs.