Kip. 1: Cross Fusion!

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Lan, Maylu and Chisao visit the Sci-Labs and witness Dr. Hikari's latest experiment in Dimensional Area technology—CrossFusion, the merger of a NetOp with his/her NetNavi, but the CrossFusion makes a NetOp lose his strength. However, the laboratory is attacked by real-world viruses and the Darkloid NetNavi SavageMan. Lan has no choice but to perform CrossFusion himself and stop SavageMan. After beating SavageMan, Lan passes out, but recovers a few seconds later. (Source: Wikipedia)