Iɴᴛʀᴏᴅᴜᴄᴛɪᴏɴ

"Bᴇ ᴄᴀʀᴇꜰᴜʟ, I ᴍɪɢʜᴛ sᴛᴇᴀʟ ʜᴇʀ ᴀᴡᴀʏ ꜰʀᴏᴍ ʏᴏᴜ."

In which a volleyball player develops feelings for a girl who is already in a relationship. Will he choose to suppress his love for the girl or will he take action?