diff --git a/go.mod b/go.mod
index 9acd757f..7545dc77 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,10 @@ module github.com/traPtitech/Jomon
 go 1.13
 
 require (
+	github.com/aws/aws-sdk-go-v2 v1.16.15
+	github.com/aws/aws-sdk-go-v2/config v1.17.6
+	github.com/aws/aws-sdk-go-v2/credentials v1.12.19
+	github.com/aws/aws-sdk-go-v2/service/s3 v1.27.10
 	github.com/dvsekhvalnov/jose2go v0.0.0-20180829124132-7f401d37b68a
 	github.com/getkin/kin-openapi v0.2.1-0.20200220094608-fd25549e5e82
 	github.com/go-sql-driver/mysql v1.6.0
diff --git a/go.sum b/go.sum
index 931ce7f1..0fd455a0 100644
--- a/go.sum
+++ b/go.sum
@@ -4,6 +4,42 @@ github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuy
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/andybalholm/cascadia v1.1.0/go.mod h1:GsXiBklL0woXo1j/WYWtSYYC4ouU9PqHO0sqidkEA4Y=
 github.com/appleboy/gofight/v2 v2.1.2/go.mod h1:frW+U1QZEdDgixycTj4CygQ48yLTUhplt43+Wczp3rw=
+github.com/aws/aws-sdk-go-v2 v1.16.15 h1:2sInOWGE4HV54R90Pj8QgqBBw3Qf1I0husqbqjPZzys=
+github.com/aws/aws-sdk-go-v2 v1.16.15/go.mod h1:SwiyXi/1zTUZ6KIAmLK5V5ll8SiURNUYOqTerZPaF9k=
+github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.8 h1:tcFliCWne+zOuUfKNRn8JdFBuWPDuISDH08wD2ULkhk=
+github.com/aws/aws-sdk-go-v2/aws/protocol/eventstream v1.4.8/go.mod h1:JTnlBSot91steJeti4ryyu/tLd4Sk84O5W22L7O2EQU=
+github.com/aws/aws-sdk-go-v2/config v1.17.6 h1:0xHMch3eQ2C8CByMEi0iJOLF+pTLoAQeHVfhFxN7eyk=
+github.com/aws/aws-sdk-go-v2/config v1.17.6/go.mod h1:CrxsoI/AcKUoWyL9Zo0YaDxRlBfSnDZKBYKDdkNYDQ0=
+github.com/aws/aws-sdk-go-v2/credentials v1.12.19 h1:fYtSz4Fd0lUavtj4FAtvol9G2k0lh1TK4LfeP1hdnLw=
+github.com/aws/aws-sdk-go-v2/credentials v1.12.19/go.mod h1:fRQMbLwSHPr0XRzuez6x7BX5+0nNQs5BzG+oR4bQKyY=
+github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.12.16 h1:LX38v4cqSqrBETHUBnc8B+N6p5YA41GaPQ3jwICjetI=
+github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.12.16/go.mod h1:lnJ8tKos2s7JeBdLVFknwVSlQZAKzkgrFNQmUaTWwRQ=
+github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.22 h1:pE27/u2A7JlwICjOvONQDob8PToShRTkuiUE74ymVWg=
+github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.22/go.mod h1:/vNv5Al0bpiF8YdX2Ov6Xy05VTiXsql94yUqJMYaj0w=
+github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.16 h1:L5LKGHHXOl4t7+5QZMTl38GIzSAq07XUTRtEquiHGMA=
+github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.16/go.mod h1:62dsXI0BqTIGomDl8Hpm33dv0OntGaVblri3ZRParVQ=
+github.com/aws/aws-sdk-go-v2/internal/ini v1.3.23 h1:Sy266MXyLZZbObFhStGF9dyJm5nFyA8LINTgNm4Q6Ds=
+github.com/aws/aws-sdk-go-v2/internal/ini v1.3.23/go.mod h1:XtEkQMmxls+Tb5dZLmpa1QAk0OzSIFDAXanC9Jkf81E=
+github.com/aws/aws-sdk-go-v2/internal/v4a v1.0.13 h1:ZrdsZJfzniYAF3Au4ngj7vWxJS1ZHGYCE0YlATcWYUg=
+github.com/aws/aws-sdk-go-v2/internal/v4a v1.0.13/go.mod h1:QyDZ5fgUmZFZztFpVcR7w4HV8vwO0ze1OM9rPy6jkEI=
+github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.9 h1:Lh1AShsuIJTwMkoxVCAYPJgNG5H+eN6SmoUn8nOZ5wE=
+github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.9.9/go.mod h1:a9j48l6yL5XINLHLcOKInjdvknN+vWqPBxqeIDw7ktw=
+github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.1.17 h1:rf0/i+3BMiQZjcQzhjTz3sAXouSl1dcnCrd8mroC4CE=
+github.com/aws/aws-sdk-go-v2/service/internal/checksum v1.1.17/go.mod h1:Uo/4yJjc7RDB7R5q9JA7aQqFXasu/lAJke8mulo2dA8=
+github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.16 h1:9jysIwpUt7KGdsKOl+zA+0pG+7MpSsi0KQUcbE48n38=
+github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.16/go.mod h1:faBcf/4ZB4FRc17geaXWOxgzktotyJgBcUBZoHqvdfM=
+github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.13.16 h1:jnGshlNJoVF3x8e5EbsFakNKeNUc0Pf3EQvU076bkKU=
+github.com/aws/aws-sdk-go-v2/service/internal/s3shared v1.13.16/go.mod h1:tMN4hfJxozc/lHWA8Ug/eXEg4ZSm5c4sPB9WE/mdDuw=
+github.com/aws/aws-sdk-go-v2/service/s3 v1.27.10 h1:fR5Z06dU41kkSdmSOtHiROealTOu5aNkwidOQ+lT0KQ=
+github.com/aws/aws-sdk-go-v2/service/s3 v1.27.10/go.mod h1:B+5EUmLgCYrXHxgQ3nTUu3RUbxnrN1JMa41LSXm7lXw=
+github.com/aws/aws-sdk-go-v2/service/sso v1.11.22 h1:LrEyMbp0gMiXVaXpJ67jJkkqKCxivZvOd6wgXem0bWA=
+github.com/aws/aws-sdk-go-v2/service/sso v1.11.22/go.mod h1:B2nDzX7lppT8j4EV2/WhT20SnRDp/LdNyqxyGYY46Ow=
+github.com/aws/aws-sdk-go-v2/service/ssooidc v1.13.4 h1:d7Wh4xMQVVYfrJ1KHFGQ6jY/O51LjnTCWJgh85RT+TQ=
+github.com/aws/aws-sdk-go-v2/service/ssooidc v1.13.4/go.mod h1:mOofcMJCDSJwmtZykUE/i6tWGNwMnkextriwzY1zcbc=
+github.com/aws/aws-sdk-go-v2/service/sts v1.16.18 h1:TqEvnK8OceCKNQaDK9d5Ir2bOtC0S0dRQCwSbkV1rz0=
+github.com/aws/aws-sdk-go-v2/service/sts v1.16.18/go.mod h1:AE4zMc8qCw1JnDvy0ZrDVb/OXRuuweG3BcT2Nv7Qh3E=
+github.com/aws/smithy-go v1.13.3 h1:l7LYxGuzK6/K+NzJ2mC+VvLUbae0sL3bXU//04MkmnA=
+github.com/aws/smithy-go v1.13.3/go.mod h1:Tg+OJXh4MB2R/uN61Ko2f6hTZwB/ZYGOtib8J3gBHzA=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
@@ -40,6 +76,8 @@ github.com/golang/protobuf v1.2.0/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5y
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/golang/protobuf v1.3.2/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/google/go-cmp v0.3.0/go.mod h1:8QqcDgzrUqlUb/G2PQTWiueGozuR1884gddMywk6iLU=
+github.com/google/go-cmp v0.5.8 h1:e6P7q2lk1O+qJJb4BtCQXlK8vWEO8V1ZeuEdJNOqZyg=
+github.com/google/go-cmp v0.5.8/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
 github.com/gorilla/context v1.1.1 h1:AWwleXJkX/nhcU9bZSnZoi3h/qGYqQAGhq6zZe/aQW8=
 github.com/gorilla/context v1.1.1/go.mod h1:kBGZzfjB9CEq2AlWe17Uuf7NDRt0dE0s8S51q0aT7Yg=
@@ -54,6 +92,8 @@ github.com/jinzhu/inflection v1.0.0 h1:K317FqzuhWc8YvSVlFMCCUb36O/S9MCKRDI7QkRKD
 github.com/jinzhu/inflection v1.0.0/go.mod h1:h+uFLlag+Qp1Va5pdKtLDYj+kHp5pxUVkryuEj+Srlc=
 github.com/jinzhu/now v1.0.1 h1:HjfetcXq097iXP0uoPCdnM4Efp5/9MsM0/M+XOTeR3M=
 github.com/jinzhu/now v1.0.1/go.mod h1:d3SSVoowX0Lcu0IBviAWJpolVfI5UJVZZ7cO71lE/z8=
+github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
+github.com/jmespath/go-jmespath/internal/testify v1.5.1/go.mod h1:L3OGu8Wl2/fWfCI6z80xFu9LTZmf1ZRjMHUOPmWr69U=
 github.com/json-iterator/go v1.1.6/go.mod h1:+SdeFBvtyEkXs7REEP0seUULqWtbJapLOCVDaaPEHmU=
 github.com/json-iterator/go v1.1.7/go.mod h1:KdQUCv79m/52Kvf8AW2vK1V8akMuk1QjK/uOdHXbAo4=
 github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7VTCxuUUipMqKk8s4w=
diff --git a/storage/s3.go b/storage/s3.go
new file mode 100644
index 00000000..f15398e1
--- /dev/null
+++ b/storage/s3.go
@@ -0,0 +1,94 @@
+package storage
+
+import (
+	"context"
+	"errors"
+	"io"
+
+	"github.com/aws/aws-sdk-go-v2/aws"
+	"github.com/aws/aws-sdk-go-v2/config"
+	"github.com/aws/aws-sdk-go-v2/credentials"
+	"github.com/aws/aws-sdk-go-v2/service/s3"
+	"github.com/aws/aws-sdk-go-v2/service/s3/types"
+)
+
+// S3 S3オブジェクトストレージ
+type S3 struct {
+	bucket string
+	client *s3.Client
+}
+
+// SetS3Storage S3オブジェクトストレージをカレントストレージに設定します
+func SetS3Storage(bucket string, region string, endpoint string, apiKey string, apiSecret string) (S3, error) {
+	cfg, err := config.LoadDefaultConfig(context.Background(),
+		config.WithRegion(region),
+		config.WithEndpointResolverWithOptions(
+			aws.EndpointResolverWithOptionsFunc(
+				func(service string, region string, options ...interface{}) (aws.Endpoint, error) {
+					return aws.Endpoint{
+						URL:           endpoint,
+						SigningRegion: region,
+					}, nil
+				},
+			),
+		),
+		config.WithCredentialsProvider(credentials.NewStaticCredentialsProvider(apiKey, apiSecret, "")),
+	)
+
+	if err != nil {
+		return S3{}, err
+	}
+
+	client := s3.NewFromConfig(cfg)
+
+	return S3{
+		bucket: bucket,
+		client: client,
+	}, nil
+}
+
+func (s *S3) Save(filename string, src io.Reader) error {
+
+	input := s3.PutObjectInput{
+		Bucket: aws.String(s.bucket),
+		Key:    aws.String(filename),
+		Body:   src,
+	}
+
+	_, err := s.client.PutObject(context.Background(), &input)
+	return err
+}
+
+func (s *S3) Open(filename string) (io.ReadCloser, error) {
+	input := s3.GetObjectInput{
+		Bucket: aws.String(s.bucket),
+		Key:    aws.String(filename),
+	}
+
+	res, err := s.client.GetObject(context.Background(), &input)
+	if err != nil {
+		var nf *types.NoSuchKey
+		if errors.As(err, &nf) {
+			return nil, ErrFileNotFound
+		}
+		return nil, err
+	}
+	return res.Body, nil
+}
+
+func (s *S3) Delete(filename string) error {
+	input := s3.DeleteObjectInput{
+		Bucket: aws.String(s.bucket),
+		Key:    aws.String(filename),
+	}
+
+	_, err := s.client.DeleteObject(context.Background(), &input)
+	if err != nil {
+		var nf *types.NoSuchKey
+		if errors.As(err, &nf) {
+			return ErrFileNotFound
+		}
+		return err
+	}
+	return nil
+}