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Sanrio characters aren’t all peaceful and adorable, and Retsuko is a shining example of this. Sometimes known as Aggretusko, this newer Sanrio character has quite a temper, so it only makes sense that he is found on Mount Hothead inHello Kitty Island Adventure.
In this guide, we are going to take a look at how you can find and eventually befriend Retsuko in Hello Kitty Island Adventure. This will include her favorite gifts and friendship rewards as well. She is not found in the starting area, which means that you won’t immediately be able to befriend her at the start of the game.

Where To Find Retsuko
Retsuko isfound on Mount Hothead,which has some requirements to reach. Thankfully, they aren’t too difficult. Firstly, you will need tocomplete the quest called Power Up the Gate.This quest happens pretty early into the game and isneeded to go basically anywhere besides the Seaside Resort.
Once this quest is done, you can technicallyreach Mount Hothead by running through the Spooky Swamp and across the beaches of Gemstone Mountain.This is a long route, but there are bridges and raised land that connect all these locations.

If you complete the quest Finding Flippers and unlock swimming, then you can also justswim across the water from the Seaside Resort to Mount Hothead.You’ll end up at the lower beaches, but if you want to reach a higher level, you can climb up.
There is a mailbox nearby Retsuko’s location,so aftercompleting the quest to unlock these fast-travel pointsand visiting the mailbox at least once, you’re able to use it to quickly teleport to Retsuko.
If Retsuko isn’t in the central area of Mount Hothead, don’t worry. Here at TheGamer, she was in the Hotsprings area of Mount Hothead when we went to speak with her. If you ever can’t find Retsuko, just look for her icon on the map.
Gifts To Give Retsuko
Like everyone else in Hello Kitty Island Adventure, Retsuko loves to receive gifts. If a gift has theFire, Music, or Metal tag,then it will be (at minimum) aone-heart gift.There are other tiers of gifts that provide even more friendship,though they are generally more difficult to find.
Below, you’re able to check out all two and three-heart gifts for Retsuko.
Microphone
Sounds of Steel
In return for giving her a gift, Retsuko will give you somedough, which is primarily used to make pizza (at the oven nearby).
These gifts can be a bit difficult to find, but that’s okay! We suggest giving RetsukoToasted Almonds,which are justfound around Mount Hothead.You can alsouse these almonds and some dough to make Toasty Pizza.
Friendship Rewards
In total, Retsuko has20 levels of friendship.By giving her gifts and completing daily quests, you’ll be able to increase this friendship,with each level having its own rewards.
Below, you may check out all 20 levels, along with what the rewards are for reaching each one.
1
Friendship (this basically means Retsuko is officially your friend)
2
3
4
5
6
7
8
Mountain Soundtrack crafting plans
9
10
Friendship (you’re now good friends with her)
11
12
13
14
15
Friendship (you are now close friends with her)
16
Adrenaline Ability (level one)
17
18
Adrenaline Ability (level two)
19
20
Friendship (you are now best friends with her!)
The Adrenaline abilitymakes your stamina drain slower,and the Hot Stuff abilitylets you swim in molten rock.
Quests From Retsuko
While leveling up your friendship with Retsuko,a few quests will unlock.These are one-time quests that typically involve upgrading the island or unlocking something new. Below, you may check out thetwo Retsuko-related quests.
Description
Enraging Ruins
You need to complete Power Up The Gate before doing this quest.
This quest tasks you with trekking through the Red Hot Ruins to find Retsuko’s missing things.
There is a fast-travel mailbox for Mount Hothead that will only become available once you do this quest.
This quest is a bit lengthy, but overall, just follow along with Retsuko and Chococat.
Fire Up The Volcano
You need to complete Enraging Ruins before doing this quest.
This is another lengthy quest that essentially leads you to Caldera of Mount Hothead, which will then be unlocked for you to visit.
Daily Quests
Retsuko hassix potential daily quests that may appear each day.This isn’t guaranteed though;some days may only feature daily quests from other characters.These quests involve short tasks like visiting a location or crafting an item.
Deepest Dark
Dive to the bottom of the Hole (this is an underwater hole slightly to the right of Moon Island)