To protect his pride as a boyfriend, he secretly films intimate moments with his girlfriend at home—an unexpectedly real issue. Many might find themselves wondering, "Could I really do something like this?" Yet such behavior is far from rare. Driven by possessiveness and jealousy, some men choose to conceal their lover's existence entirely. This work realistically portrays such situations, evoking strong empathy from viewers. The secret rendezvous scenes deliver a dramatic tension woven from the boyfriend's sexual desires and emotional conflict toward his lover.