Shizusumi Yagi's relationships and interactions with other people in the Given series.
| Hiiragi Kashima |
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A childhood friend of his who he has kept in contact with. Shizusami is Hiiragi's babysitter. Shizusumi describes Hiiragi as sweet, sincere, soft-hearted, and dazzling. He is in love with him, but is hesitant to make a move because he believes Hiiragi was once in love with Yuki.
| Mafuyu Sato |
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One of his childhood friend but later went to different high school.
| Yuki Yoshida |
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A childhood friend and former band partner of his.