REGAIN REGISTRY
Yasusada Yamato (Yamato no Kami Yasusada)
memories

Kashuu giving him the sakura hairpin and saying it isn't cute if his bangs are all messed up.

Bits and pieces of his first battle after arriving in the Citadel. Things like getting thrown down the stairs by a large monster, seeing lots of blood, and hearing Kashuu yell his name.

Sparring with Kane-san in the citadel training hall, using real swords. Kane-san sweeps his feet out from under him and tells him that Tennen Rishin Ryu style means "anything goes", then Kashuu steps in to fight alongside him. Also Kane-san tripping on a bottle when the fight moves outside.

The memory of facing a bear with Mutsunokami Yoshiyuki, the same memory Ryusei saw.

Being left as Okita's only uchigatana after Ikedaya, and waiting for Kashuu to come home, which he never did.

Parts of the Ikedaya Shinsengumi raid, including the words "This is a Shinsengumi raid!" and the things Okita said to him (but still no faces or names of people/places).

Going to the beach with Kashuu and the other swords for the first time.

His game recollection with Kashuu, talking about Okita and regretting not being able to come to Toba with him.

Talking with Kashuu late at night about the Awataguchis and Ichigo Hitofuri, and how hard it is to wait for someone.

The memory of being summoned to the citadel and given a body, with their mission explained.

The memory of getting hit in the face with a snowball and then chasing the culprits around the citadel.

The memory of getting chosen by Okita and taken home by a master for the first time.

The full details of his battle at Ikedaya, from following Okita into the inn to defeating the remaining Kebiishi outside with Kashuu.

The memory of going on the expedition B2, aka the one that says "attempt to be self-sufficient"

The memory of watching the Awataguchi tantou wait for their brother and getting the idea to make the ~special~ sakura tree out of wish slips

Hanamaru episode 2: the memory of tagging along on Tsurumaru's tour of the citadel

The memory of his sword name

The knowledge that a sword breaking = death for sword spirits like him

The memory of Okita trying to attack a black cat before collapsing and dying

The memory of getting patted on the head/having his hair ruffled by the saniwa (his game line "you never get tired of patting me, do you?")

The memory of his 2nd year anniversary line, "Two years, huh? That guy's always appearing in front, but I'm not losing either, right?", learning that they've been at war for two years

The memory of leaving for his kiwame journey in winter (in the last episode)

The memory of going on patrol with Okita, around the Shinsengumi base and a little ways around Kyoto

The memory of getting a punching box from the saniwa to distract him from his nervousness before a mission

The memory of his toku status (rank up) game line, "I wonder if I've become a bit closer to Okita-kun..."

The memory of his third kiwame letter

The memory of posing for a photo for Mutsunokami Yoshiyuki's camera (with a timer)

The memory of his sparring line of "I need to fix this habit of switching into another personality during battles..."
abilities

The ability to perform
sandanzuki, Okita Souji's famous strike.

The ability to heal from small injuries, such as cuts, bruises, mild sprains, etc.

The ability to feel through his sword as if it was his own body

The ability to see and speak to spirits

The ability to run at professional athlete speeds and lift slightly more than his muscle mass should be able to

The sakura fubuki ability

The ability to feel a "connection"
to his vessel

Stronger ability to communicate with/detect spirits more clearly (capable of telling different spirits apart even if he doesn't have the knowledge to know what's what) + registers solidly as A Spirit to spirit-detecting people

Tennen Rishin Ryu

Damage transfer: scrapes/scratches, etc. to his blade show on his human body

Healing from moderate injuries (deeper cuts, fractures, moderate burns, etc)

Has the stamina, speed, and strength higher than human Olympic athletes. Can fight for longer periods of time without fatigue

Re/Demanifesting, i.e. being able to poof away his human body and reappear wherever his sword body is
items
The omamori given to him by Hasebe

the sakura hairpin Kashuu gave him
The sword Yamatonokami Yasusada, a.k.a. his true body

his white scarf

the shinsengumi haori
appearance

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