(Note: Please do not play forcing moves K17, K16, J14, L14.) This problem was flawed when I first posted it a few months ago, and I finally got around to fixing and reposting it. Thanks to cae for pointing out the mistake! Edit: The clear rate is low, but if you're careful, you can solve this.
(;AB[ab][bb][cb][db][eb][fb][gb][hb][ib][jb][kb][lb][mb][nb][ob][pb][qb][rb][sb][dc][hc][lc][pc][hd][ce][he][oe][lf][dg][gg][ig][lg][pg][ah][bh][ch][dh][eh][fh][gh][hh][ih][jh][kh][lh][mh][nh][oh][ph][qh][rh][sh][ai][ji][si][aj][jj][sj][ak][dk][jk][sk][bl][rl][bm][jm][rm][cn][dn][pn][qn][eo][oo][fp][gp][jp][mp][np][hq][iq][kq][lq][ir][jr][kr][js]AW[bc][cc][fc][ic][kc][mc][nc][oc][qc][rc][ad][ed][gd][id][kd][nd][qd][sd][ae][ee][ge][ie][ke][ne][qe][se][af][ef][gf][jf][nf][qf][sf][bg][cg][fg][jg][mg][ng][og][qg][rg][hi][ki][li][gj][hj][kj][mj][hk][lk][mk][hl][ml][gm][hm][im][km][lm]SQ[bc][cc][fc][ic][kc][mc][nc][oc][qc][rc][ad][ed][gd][id][kd][nd][qd][sd][ae][ee][ge][ie][ke][ne][qe][se][af][ef][gf][jf][nf][qf][sf][bg][cg][fg][jg][mg][ng][og][qg][rg][hi][ki][li][gj][hj][kj][mj][hk][lk][mk][hl][ml][gm][hm][im][km][lm]C[You travel back in time to the beginning of 2020 to stop the world-threatening COVID-19 pandemic. It's up to you to kill the virus before it's too late.]AP[Sabaki:0.52.2]CA[UTF-8];B[re];W[kl];B[kk];W[mi];B[mm];W[if];B[hf];W[pf];B[pd];W[ld](;B[le];W[of])(;B[me];W[md];B[of];W[mf];B[le];W[od];B[pe];W[jl];B[jn];W[fk];B[fl];W[gl];B[fj];W[el];B[fm];W[fn];B[em];W[jo](;B[in];W[mn];B[nm];W[io])(;B[kn];W[mn];B[nm];W[ko])(;B[io];W[oj]C[Play at T (K19) to tenuki or A (O11) to attack.][FORCE]LB[ja:T][ni:A](;B[ja];W[nm];B[mn];W[ol]C[You've been tricked!])(;B[ni];W[de]C[Since there are many variations in the top left, just follow the marked stones to see the result.][FORCE]TR[dd];B[dd];W[cd]C[FORCE]TR[df];B[df];W[cf]C[Now finish it off!];B[be]C[RIGHT][Well done! After a long battle, you defeated the virus!]MA[bc][cc][fc][ic][kc][mc][nc][oc][qc][rc][ad][ed][gd][id][kd][nd][qd][sd][ae][ee][ge][ie][ke][ne][qe][se][af][ef][gf][jf][nf][qf][sf][bg][cg][fg][jg][mg][ng][og][qg][rg][hi][ki][li][gj][hj][kj][mj][hk][lk][mk][hl][ml][gm][hm][im][km][lm]))(;B[ko];W[oj]C[Play at T (K19) to tenuki or A (O11) to attack.][FORCE]LB[ja:T][ni:A](;B[ja];W[nm];B[mn];W[ol]C[You've been tricked!])(;B[ni];W[de]C[Since there are many variations in the top left, just follow the marked stones to see the result.][FORCE]TR[dd];B[dd];W[cd]C[FORCE]TR[df];B[df];W[cf]C[Now finish it off!];B[be]C[RIGHT][Well done! After a long battle, you defeated the virus!]MA[bc][cc][fc][ic][kc][mc][nc][oc][qc][rc][ad][ed][gd][id][kd][nd][qd][sd][ae][ee][ge][ie][ke][ne][qe][se][af][ef][gf][jf][nf][qf][sf][bg][cg][fg][jg][mg][ng][og][qg][rg][hi][ki][li][gj][hj][kj][mj][hk][lk][mk][hl][ml][gm][hm][im][km][lm]))))